Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles, 81952-81957 [2010-32726]
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81952
Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
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[FR Doc. 2010–32674 Filed 12–28–10; 8:45 am]
BILLING CODE 4310–MR–P
LIBRARY OF CONGRESS
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srobinson on DSKHWCL6B1PROD with PROPOSALS
SUMMARY:
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David O. Carson,
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[FR Doc. 2010–32864 Filed 12–28–10; 8:45 am]
BILLING CODE 1410–30–P
ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Parts 85, 86, 1036, 1037, 1065,
1066, and 1068
DEPARTMENT OF TRANSPORTATION
National Highway Traffic Safety
Administration
49 CFR Parts 523, 534, and 535
[EPA–HQ–OAR–2010–0162; FRL–9219–4;
NHTSA 2010–0079]
RIN 2060–AP61; RIN 2127–AK74
Greenhouse Gas Emissions Standards
and Fuel Efficiency Standards for
Medium- and Heavy-Duty Engines and
Vehicles
Environmental Protection
Agency (EPA) and National Highway
AGENCIES:
PO 00000
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Traffic Safety Administration (NHTSA),
Department of Transportation (DOT).
ACTION: Proposed rules; correction.
NHTSA and EPA published
in the Federal Register of November 30,
2010, proposed rules to establish a
comprehensive Heavy-Duty National
Program that will increase fuel
efficiency and reduce greenhouse gas
emissions for on-road heavy-duty
vehicles, responding to the President’s
directive on May 21, 2010, to take
coordinated steps to produce a new
generation of clean vehicles. That
document inadvertently contained some
incorrect fuel consumption values in
NHTSA-specific tables in the preamble
that resulted from using an incorrect
conversion factor for determining CO2
emissions to equivalent fuel
consumption for gasoline fuel. That
document also contained some
rounding errors in NHTSA-specific
tables in the preamble. This document
corrects the rounding errors by adopting
a uniform rounding approach for all fuel
consumption equivalents for those
NHTSA-specific tables and makes the
appropriate corrections to the
conversions.
FOR FURTHER INFORMATION CONTACT:
Rebecca Yoon, Office of Chief Counsel,
National Highway Traffic Safety
Administration, 1200 New Jersey
Avenue, SE., Washington, DC 20590.
Telephone: (202) 366–2992.
SUPPLEMENTARY INFORMATION: NHTSA
and EPA published in the Federal
Register of November 30, 2010,
proposed rules to establish a
comprehensive Heavy-Duty National
Program that will increase fuel
efficiency and reduce greenhouse gas
emissions for on-road heavy-duty
vehicles, responding to the President’s
directive on May 21, 2010, to take
coordinated steps to produce a new
generation of clean vehicles. That
document inadvertently contained some
incorrect fuel consumption values in
NHTSA-specific tables in the preamble
that resulted from using an incorrect
conversion factor for determining CO2
emissions to equivalent fuel
consumption for gasoline fuel. The
correct values that should have been
used in the document are a factor of
1,018 grams of CO2 per gallon of diesel
for conversion of diesel fuel, and a
factor of 8,887 grams of CO2 per gallon
of gasoline for gasoline.
That document also contained some
rounding errors in NHTSA-specific
tables in the preamble. This document
corrects the rounding errors by adopting
a uniform rounding approach for all fuel
consumption equivalents and makes the
SUMMARY:
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Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
appropriate corrections to the
conversions. These changes are made to
several NHTSA-specific tables and in
several places in the NHTSA-specific
text of the preamble. The proposed
regulatory text for both NHTSA and
EPA is not affected.
In FR Doc. 2010–28120, appearing on
page 74152 in the Federal Register of
Tuesday, November 30, 2010, the
following corrections are made:
1. On page 74176, correct Table II–1
and accompanying footnote 39 by
revising them to read as follows:
TABLE II–1—HEAVY-DUTY COMBINATION TRACTOR EMISSIONS AND FUEL CONSUMPTION STANDARDS
Day cab
Class 7
Sleeper cab
Class 8
Class 8
2014 Model Year CO2 Grams per Ton-Mile
Low Roof ......................................................................................................................................
Mid Roof ......................................................................................................................................
High Roof .....................................................................................................................................
104
104
118
79
79
87
65
70
73
10.2
10.2
11.6
7.8
7.8
8.5
6.4
6.9
7.2
103
103
116
78
78
86
64
69
71
10.1
10.1
11.4
7.7
7.7
8.4
6.3
6.8
7.0
2014–2016 Model Year Gallons of Fuel per 1,000 Ton-Mile 39
Low Roof ......................................................................................................................................
Mid Roof ......................................................................................................................................
High Roof .....................................................................................................................................
2017 Model Year CO2 Grams per Ton-Mile
Low Roof ......................................................................................................................................
Mid Roof ......................................................................................................................................
High Roof .....................................................................................................................................
2017 Model Year Gallons of Fuel per 1,000 Ton-Mile
Low Roof ......................................................................................................................................
Mid Roof ......................................................................................................................................
High Roof .....................................................................................................................................
2. On page 74194, correct Tables II–
7 and II–8 by revising them to read as
follows:
TABLE II–2—COEFFICIENTS FOR PROPOSED HD PICKUP AND VAN TARGET STANDARDS 74
Model year
a
Diesel Vehicles:
2014 ..........................................................................................................................
2015 ..........................................................................................................................
2016 ..........................................................................................................................
2017 ..........................................................................................................................
2018 and later ..........................................................................................................
Gasoline Vehicles:
2014 ..........................................................................................................................
2015 ..........................................................................................................................
2016 ..........................................................................................................................
2017 ..........................................................................................................................
2018 and later ..........................................................................................................
b
c
d
0.0478
0.0474
0.0460
0.0445
0.0416
368
366
354
343
320
0.000470
0.000466
0.000452
0.000437
0.000409
3.61
3.60
3.48
3.37
3.14
0.0482
0.0479
0.0469
0.0460
0.0440
371
369
362
354
339
0.000542
0.000539
0.000528
0.000518
0.000495
4.17
4.15
4.07
3.98
3.81
TABLE II–3—COEFFICIENTS PROPOSED FOR NHTSA’S FIRST ALTERNATIVE AND EPA’S ALTERNATIVE HD PICKUP AND
VAN TARGET STANDARDS
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Model year
a
Diesel Vehicles:
2014 a ........................................................................................................................
2015 a ........................................................................................................................
2016–2018 ................................................................................................................
2019 and later ..........................................................................................................
Gasoline Vehicles:
2014 a ........................................................................................................................
2015 a ........................................................................................................................
39 Manufacturers may voluntarily opt-in to the
NHTSA fuel consumption program in 2014 or 2015.
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c
d
0.0478
0.0474
0.0440
0.0416
368
366
339
320
0.000470
0.000466
0.000432
0.000409
3.61
3.60
3.33
3.14
0.0482
0.0479
371
369
0.000542
0.000539
4.17
4.15
If a manufacturer opts-in, the program becomes
mandatory. See Section I.B.5 for more information
PO 00000
b
about NHTSA’s voluntary opt-in program for MYs
2014 and 2015.
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Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
TABLE II–3—COEFFICIENTS PROPOSED FOR NHTSA’S FIRST ALTERNATIVE AND EPA’S ALTERNATIVE HD PICKUP AND
VAN TARGET STANDARDS—Continued
Model year
a
2016–2018 ................................................................................................................
2019 and later ..........................................................................................................
b
0.0456
0.0440
c
352
339
d
0.000513
0.000495
3.96
3.81
3. On page 74202, correct Table II–11
by revising it to read as follows:
TABLE II–4—PROPOSED VOCATIONAL DIESEL ENGINE STANDARDS OVER THE HEAVY-DUTY FTP CYCLE
Light
heavy-duty
diesel
Model year
Standard
2014–2016 ....................
Medium
heavy-duty
diesel
Heavy
heavy-duty
diesel
600
5.89
576
5.66
600
5.89
576
5.66
567
5.57
555
5.45
CO2 Standard (g/bhp-hr) ..............................................................................
Voluntary Fuel Consumption Standard (gallon/100 bhp-hr) ........................
CO2 Standard (g/bhp-hr) ..............................................................................
Fuel Consumption (gallon/100 bhp-hr) ........................................................
2017 and Later ..............
hr (7.43 gal/100 bhp-hr) in 2010 based
on non-GHG certification data provided
to EPA by the manufacturers.’’
5. On page 74202, in the third
column, correct the first sentence of the
second complete paragraph by revising
it to read as follows: ‘‘NHTSA is
4. On page 74202, in the third
column, correct the first sentence of the
first complete paragraph by revising it to
read as follows: ‘‘The baseline 2010
model year CO2 performance of these
heavy-duty gasoline engines over the
Heavy-duty FTP cycle is 660 g CO2/bhp-
proposing a 7.06 gallon/100 bhp-hr
standard for fuel consumption while
EPA is proposing a 627 g CO2/bhp-hr
standard tested over the Heavy-duty
FTP, effective in the 2016 model year.’’
6. On page 74220, correct Table III–2
by revising it to read as follows:
TABLE III–5—CLASS 7 AND 8 TRACTOR BASELINE CO2 EMISSIONS AND FUEL CONSUMPTION
Class 7
Class 8
Day cab
Low/mid roof
CO2 (grams
CO2/tonmile) ............
Fuel Consumption (gal/
1,000 tonmile) ............
Day cab
High roof
111
Low/mid roof
130
10.9
Sleeper cab
High roof
84
12.8
Low roof
96
8.3
Mid roof
76
9.4
High roof
81
7.5
89
8.0
8.6
7. On page 74225, correct Table III–6
by revising it to read as follows:
TABLE III–6—PROPOSED 2014 AND 2017 MODEL YEAR TRACTOR REDUCTIONS
Class 7
Class 8
Day cab
Low/mid roof
Day cab
High roof
Low/mid roof
Sleeper cab
High roof
Low roof
Mid roof
High roof
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2014 Model Year
2014 MY Voluntary Fuel
Consumption
Standard
(gallon/1,000
ton-mile) ......
10.2
74 The NHTSA proposal provides voluntary
standards for model years 2014 and 2015. Target
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11.6
7.8
8.5
6.4
line functions for 2016–2018 are for the second
NHTSA alternative described in Section II.C(d)(ii).
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6.9
7.2
Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
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TABLE III–6—PROPOSED 2014 AND 2017 MODEL YEAR TRACTOR REDUCTIONS—Continued
Class 7
Class 8
Day cab
Low/mid roof
2014 MY CO2
Standard
(grams CO2/
ton-mile) ......
Percent Reduction ........
Day cab
High roof
Low/mid roof
Sleeper cab
High roof
Low roof
Mid roof
High roof
104
118
79
87
65
70
73
6%
9%
6%
9%
15%
14%
18%
2017 Model Year
2017 MY Fuel
Consumption
Standard
(gallon/1,000
ton-mile) ......
2017 MY CO2
Standard
(grams CO2/
ton-mile) ......
Percent Reduction ........
10.1
11.4
7.7
8.4
6.3
6.8
7.0
103
116
78
86
64
69
71
7%
11%
7%
10%
16%
15%
20%
8. On page 74244, correct Table III–12
by revising it to read as follows:
TABLE III–7—BASELINE VOCATIONAL VEHICLE PERFORMANCE
Vocational vehicle
Light heavy-duty
Fuel Consumption Baseline (gallon/1,000 ton-mile) .................................................
CO2 Baseline (grams CO2/ton-mile) ..........................................................................
Medium
heavy-duty
37.5
382
22.3
227
Heavy heavy-duty
11.3
115
9. On page 74245, correct Table III–14
by revising it to read as follows:
TABLE III–8—PROPOSED VOCATIONAL VEHICLE STANDARDS AND PERCENT REDUCTIONS
Vocational vehicle
Light heavy-duty
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2016 MY Fuel Consumption Standard (gallon/1,000 ton-mile) .................................
2017 MY Fuel Consumption Standard (gallon/1,000 ton-mile) .................................
2014 MY CO2 Standard (grams CO2/ton-mile) .........................................................
2017 MY CO2 Standard (grams CO2/ton-mile) .........................................................
Percent Reduction from 2010 baseline in 2014 MY .................................................
Percent Reduction from 2010 baseline in 2017 MY .................................................
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Medium
heavy-duty
35.2
33.8
358
344
6%
10%
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20.8
20.0
212
204
7%
10%
29DEP1
Heavy heavy-duty
10.7
10.5
109
107
5%
7%
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Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
10. On page 74245, in the third
column, correct the second sentence of
the third paragraph by revising it to read
as follows: ‘‘The agencies are projecting
a 100% application rate of this
technology package to the heavy-duty
gasoline engines, which results in a CO2
standard of 627 g/bhp-hr and a fuel
consumption standard of 7.06 gallon/
100 bhp-hr.’’
11. On page 74440, correct Table 1 by
revising it to read as follows:
TABLE 1—EQUATION COEFFICIENTS
FOR VEHICLE CONFIGURATION TARGET STANDARDS
Model year
c
c
3.33
3.14
12. On page 74442, correct Table 2 by
revising it to read as follows:
TABLE 2—VOLUNTARY COMPLIANCE
EQUATION COEFFICIENTS FOR VEHICLE FUEL CONSUMPTION STAND-
d
Spark-Ignition Vehicle Coefficients for Model
Years 2016 and Later
2016 through
2018 ..............
2019 and later ..
3.96
3.81
Alternative 2—Phased-in Target Standards
Compression-Ignition Vehicle Coefficients for Model Years 2016 and Later
2016 ..................
2017 ..................
2018 and later ..
ARDS
Model year
0.000513
0.000495
0.000452
0.000437
0.000409
3.48
3.37
3.14
Spark-Ignition Vehicle Coefficients for Model
Years 2016 and Later
Compression-Ignition Vehicle Coefficients for
Model Years 2016 and Later
0.000432
0.000409
Model year
2016 ..................
2017 ..................
2018 and later ..
d
Alternative 1—Fixed Target Standards
2016 through
2018 ..............
2019 and later ..
TABLE 1—EQUATION COEFFICIENTS
FOR VEHICLE CONFIGURATION TARGET STANDARDS—Continued
0.000528
0.000518
0.000495
4.07
3.98
3.81
c
d
Compression-Ignition Vehicle Coefficients for
Voluntary Compliance in Model Years
2013 Through 2015
2013 and 14 .....
2015 ..................
0.000470
0.000466
3.61
3.60
Spark-Ignition Vehicle Coefficients for Voluntary Compliance in Model Years 2013
Through 2015
2013 and 14 .....
2015 ..................
0.000542
0.000539
4.17
4.15
13. On page 74444, correct Table 4 by
revising it to read as follows:
TABLE 4—TRUCK TRACTOR FUEL CONSUMPTION STANDARDS
Day cab
Sleeper cab
Regulatory subcategories
Class 7
Class 8
Class 8
Fuel Consumption Standards (gallons per 1000 ton-miles) Effective for Model Years 2017 and Later
Low Roof ..................................................................................................................................................
Mid Roof ..................................................................................................................................................
High Roof .................................................................................................................................................
10.1
10.1
11.4
7.7
7.7
8.4
6.3
6.8
7.0
7.8
7.8
8.5
6.4
6.9
7.2
Fuel Consumption Standards (gallons per 1000 ton-miles) Effective for Model Years 2013 to 2016
Low Roof ..................................................................................................................................................
Mid Roof ..................................................................................................................................................
High Roof .................................................................................................................................................
10.2
10.2
11.6
14. On page 74445, correct Table 5 by
revising it to read as follows:
TABLE 5—HEAVY-DUTY ENGINE STANDARDS
Fuel Consumption Standards (gallons per 100 bhp-hr)
Light heavy-duty
compression-ignition engine
Truck Application ......
Effective Model Years
Fuel Consumption
Standard.
srobinson on DSKHWCL6B1PROD with PROPOSALS
Regulatory
subcategory
Medium heavy-duty compression-ignition engine
Vocational ...........
Vocational ...........
5.66 .....................
5.66 .....................
Tractor ................
2017 and later
4.78 .....................
Heavy heavy-duty compression-ignition engine
Vocational ...........
Tractor ................
5.45 .....................
4.52 .....................
Spark-ignition
engines
All.
2016 and later.
7.06.
Fuel Consumption Standards for Voluntary Compliance (gallons per 100 bhp-hr)
Regulatory
subcategory
Light heavy-duty
diesel engine
Truck Application ......
Effective Model Years
Vocational ...........
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Medium heavy-duty diesel engine
Vocational ...........
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Heavy heavy-duty diesel engine
Tractor ................ Vocational ...........
2013 through 2016
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Tractor ................
29DEP1
Spark-ignition
engine
All.
2013 through
2015.
Federal Register / Vol. 75, No. 249 / Wednesday, December 29, 2010 / Proposed Rules
81957
TABLE 5—HEAVY-DUTY ENGINE STANDARDS—Continued
Regulatory
subcategory
Voluntary Fuel Consumption Standard.
5.89 .....................
5.89 .....................
Issued: December 20, 2010.
Joseph S. Carra,
Acting Associate Administrator for
Rulemaking, National Highway Traffic Safety
Administration, Department of
Transportation.
Issued: December 20, 2010.
Margo Tsirigotis Oge,
Director, Office of Transportation Air Quality,
Environmental Protection Agency.
[FR Doc. 2010–32726 Filed 12–28–10; 8:45 am]
BILLING CODE 4910–59–P
DEPARTMENT OF HOMELAND
SECURITY
Federal Emergency Management
Agency
44 CFR Part 67
[Docket ID FEMA–2010–0003; Internal
Agency Docket No. FEMA–B–1166]
Proposed Flood Elevation
Determinations
Federal Emergency
Management Agency, DHS.
ACTION: Proposed rule.
AGENCY:
Comments are requested on
the proposed Base (1% annual-chance)
Flood Elevations (BFEs) and proposed
BFE modifications for the communities
listed in the table below. The purpose
of this notice is to seek general
information and comment regarding the
proposed regulatory flood elevations for
the reach described by the downstream
and upstream locations in the table
below. The BFEs and modified BFEs are
a part of the floodplain management
measures that the community is
required either to adopt or to show
evidence of having in effect in order to
qualify or remain qualified for
participation in the National Flood
Insurance Program (NFIP). In addition,
these elevations, once finalized, will be
used by insurance agents and others to
calculate appropriate flood insurance
premium rates for new buildings and
the contents in those buildings.
srobinson on DSKHWCL6B1PROD with PROPOSALS
SUMMARY:
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5.57 .....................
Comments are to be submitted
on or before March 29, 2011.
ADDRESSES: The corresponding
preliminary Flood Insurance Rate Map
(FIRM) for the proposed BFEs for each
community is available for inspection at
the community’s map repository. The
respective addresses are listed in the
table below.
You may submit comments, identified
by Docket No. FEMA–B–1166, to Luis
Rodriguez, Chief, Engineering
Management Branch, Federal Insurance
and Mitigation Administration, Federal
Emergency Management Agency, 500 C
Street, SW., Washington, DC 20472,
(202) 646–4064, or (e-mail)
luis.rodriguez1@dhs.gov.
FOR FURTHER INFORMATION CONTACT: Luis
Rodriguez, Chief, Engineering
Management Branch, Federal Insurance
and Mitigation Administration, Federal
Emergency Management Agency, 500 C
Street, SW., Washington, DC 20472,
(202) 646–4064, or (e-mail)
luis.rodriguez1@dhs.gov.
SUPPLEMENTARY INFORMATION: The
Federal Emergency Management Agency
(FEMA) proposes to make
determinations of BFEs and modified
BFEs for each community listed below,
in accordance with section 110 of the
Flood Disaster Protection Act of 1973,
42 U.S.C. 4104, and 44 CFR 67.4(a).
These proposed BFEs and modified
BFEs, together with the floodplain
management criteria required by 44 CFR
60.3, are the minimum that are required.
They should not be construed to mean
that the community must change any
existing ordinances that are more
stringent in their floodplain
management requirements. The
community may at any time enact
stricter requirements of its own or
pursuant to policies established by other
Federal, State, or regional entities.
These proposed elevations are used to
meet the floodplain management
requirements of the NFIP and also are
used to calculate the appropriate flood
insurance premium rates for new
buildings built after these elevations are
DATES:
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4.67 .....................
7.06.
made final, and for the contents in those
buildings.
Comments on any aspect of the Flood
Insurance Study and FIRM, other than
the proposed BFEs, will be considered.
A letter acknowledging receipt of any
comments will not be sent.
National Environmental Policy Act.
This proposed rule is categorically
excluded from the requirements of 44
CFR part 10, Environmental
Consideration. An environmental
impact assessment has not been
prepared.
Regulatory Flexibility Act. As flood
elevation determinations are not within
the scope of the Regulatory Flexibility
Act, 5 U.S.C. 601–612, a regulatory
flexibility analysis is not required.
Executive Order 12866, Regulatory
Planning and Review. This proposed
rule is not a significant regulatory action
under the criteria of section 3(f) of
Executive Order 12866, as amended.
Executive Order 13132, Federalism.
This proposed rule involves no policies
that have federalism implications under
Executive Order 13132.
Executive Order 12988, Civil Justice
Reform. This proposed rule meets the
applicable standards of Executive Order
12988.
List of Subjects in 44 CFR Part 67
Administrative practice and
procedure, Flood insurance, Reporting
and recordkeeping requirements.
Accordingly, 44 CFR part 67 is
proposed to be amended as follows:
PART 67—[AMENDED]
1. The authority citation for part 67
continues to read as follows:
Authority: 42 U.S.C. 4001 et seq.;
Reorganization Plan No. 3 of 1978, 3 CFR,
1978 Comp., p. 329; E.O. 12127, 44 FR 19367,
3 CFR, 1979 Comp., p. 376.
§ 67.4
[Amended]
2. The tables published under the
authority of § 67.4 are proposed to be
amended as follows:
E:\FR\FM\29DEP1.SGM
29DEP1
]]>Agencies
[Federal Register Volume 75, Number 249 (Wednesday, December 29, 2010)]
[Proposed Rules]
[Pages 81952-81957]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2010-32726]
=======================================================================
-----------------------------------------------------------------------
ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 85, 86, 1036, 1037, 1065, 1066, and 1068
DEPARTMENT OF TRANSPORTATION
National Highway Traffic Safety Administration
49 CFR Parts 523, 534, and 535
[EPA-HQ-OAR-2010-0162; FRL-9219-4; NHTSA 2010-0079]
RIN 2060-AP61; RIN 2127-AK74
Greenhouse Gas Emissions Standards and Fuel Efficiency Standards
for Medium- and Heavy-Duty Engines and Vehicles
AGENCIES: Environmental Protection Agency (EPA) and National Highway
Traffic Safety Administration (NHTSA), Department of Transportation
(DOT).
ACTION: Proposed rules; correction.
-----------------------------------------------------------------------
SUMMARY: NHTSA and EPA published in the Federal Register of November
30, 2010, proposed rules to establish a comprehensive Heavy-Duty
National Program that will increase fuel efficiency and reduce
greenhouse gas emissions for on-road heavy-duty vehicles, responding to
the President's directive on May 21, 2010, to take coordinated steps to
produce a new generation of clean vehicles. That document inadvertently
contained some incorrect fuel consumption values in NHTSA-specific
tables in the preamble that resulted from using an incorrect conversion
factor for determining CO2 emissions to equivalent fuel
consumption for gasoline fuel. That document also contained some
rounding errors in NHTSA-specific tables in the preamble. This document
corrects the rounding errors by adopting a uniform rounding approach
for all fuel consumption equivalents for those NHTSA-specific tables
and makes the appropriate corrections to the conversions.
FOR FURTHER INFORMATION CONTACT: Rebecca Yoon, Office of Chief Counsel,
National Highway Traffic Safety Administration, 1200 New Jersey Avenue,
SE., Washington, DC 20590. Telephone: (202) 366-2992.
SUPPLEMENTARY INFORMATION: NHTSA and EPA published in the Federal
Register of November 30, 2010, proposed rules to establish a
comprehensive Heavy-Duty National Program that will increase fuel
efficiency and reduce greenhouse gas emissions for on-road heavy-duty
vehicles, responding to the President's directive on May 21, 2010, to
take coordinated steps to produce a new generation of clean vehicles.
That document inadvertently contained some incorrect fuel consumption
values in NHTSA-specific tables in the preamble that resulted from
using an incorrect conversion factor for determining CO2
emissions to equivalent fuel consumption for gasoline fuel. The correct
values that should have been used in the document are a factor of 1,018
grams of CO2 per gallon of diesel for conversion of diesel
fuel, and a factor of 8,887 grams of CO2 per gallon of
gasoline for gasoline.
That document also contained some rounding errors in NHTSA-specific
tables in the preamble. This document corrects the rounding errors by
adopting a uniform rounding approach for all fuel consumption
equivalents and makes the
[[Page 81953]]
appropriate corrections to the conversions. These changes are made to
several NHTSA-specific tables and in several places in the NHTSA-
specific text of the preamble. The proposed regulatory text for both
NHTSA and EPA is not affected.
In FR Doc. 2010-28120, appearing on page 74152 in the Federal
Register of Tuesday, November 30, 2010, the following corrections are
made:
1. On page 74176, correct Table II-1 and accompanying footnote 39
by revising them to read as follows:
Table II-1--Heavy-Duty Combination Tractor Emissions and Fuel Consumption Standards
----------------------------------------------------------------------------------------------------------------
Day cab Sleeper cab
-----------------------------------------------
Class 7 Class 8 Class 8
----------------------------------------------------------------------------------------------------------------
2014 Model Year CO2 Grams per Ton-Mile
----------------------------------------------------------------------------------------------------------------
Low Roof........................................................ 104 79 65
Mid Roof........................................................ 104 79 70
High Roof....................................................... 118 87 73
----------------------------------------------------------------------------------------------------------------
2014-2016 Model Year Gallons of Fuel per 1,000 Ton-Mile \39\
----------------------------------------------------------------------------------------------------------------
Low Roof........................................................ 10.2 7.8 6.4
Mid Roof........................................................ 10.2 7.8 6.9
High Roof....................................................... 11.6 8.5 7.2
----------------------------------------------------------------------------------------------------------------
2017 Model Year CO2 Grams per Ton-Mile
----------------------------------------------------------------------------------------------------------------
Low Roof........................................................ 103 78 64
Mid Roof........................................................ 103 78 69
High Roof....................................................... 116 86 71
----------------------------------------------------------------------------------------------------------------
2017 Model Year Gallons of Fuel per 1,000 Ton-Mile
----------------------------------------------------------------------------------------------------------------
Low Roof........................................................ 10.1 7.7 6.3
Mid Roof........................................................ 10.1 7.7 6.8
High Roof....................................................... 11.4 8.4 7.0
----------------------------------------------------------------------------------------------------------------
2. On page 74194, correct Tables II-7 and II-8 by revising them to
read as follows:
---------------------------------------------------------------------------
\39\ Manufacturers may voluntarily opt-in to the NHTSA fuel
consumption program in 2014 or 2015. If a manufacturer opts-in, the
program becomes mandatory. See Section I.B.5 for more information
about NHTSA's voluntary opt-in program for MYs 2014 and 2015.
Table II-2--Coefficients for Proposed HD Pickup and Van Target Standards \74\
----------------------------------------------------------------------------------------------------------------
Model year a b c d
----------------------------------------------------------------------------------------------------------------
Diesel Vehicles:
2014.................................................... 0.0478 368 0.000470 3.61
2015.................................................... 0.0474 366 0.000466 3.60
2016.................................................... 0.0460 354 0.000452 3.48
2017.................................................... 0.0445 343 0.000437 3.37
2018 and later.......................................... 0.0416 320 0.000409 3.14
Gasoline Vehicles:
2014.................................................... 0.0482 371 0.000542 4.17
2015.................................................... 0.0479 369 0.000539 4.15
2016.................................................... 0.0469 362 0.000528 4.07
2017.................................................... 0.0460 354 0.000518 3.98
2018 and later.......................................... 0.0440 339 0.000495 3.81
----------------------------------------------------------------------------------------------------------------
Table II-3--Coefficients Proposed for NHTSA's First Alternative and EPA's Alternative HD Pickup and Van Target
Standards
----------------------------------------------------------------------------------------------------------------
Model year a b c d
----------------------------------------------------------------------------------------------------------------
Diesel Vehicles:
2014 \a\................................................ 0.0478 368 0.000470 3.61
2015 \a\................................................ 0.0474 366 0.000466 3.60
2016-2018............................................... 0.0440 339 0.000432 3.33
2019 and later.......................................... 0.0416 320 0.000409 3.14
Gasoline Vehicles:
2014 \a\................................................ 0.0482 371 0.000542 4.17
2015 \a\................................................ 0.0479 369 0.000539 4.15
[[Page 81954]]
2016-2018............................................... 0.0456 352 0.000513 3.96
2019 and later.......................................... 0.0440 339 0.000495 3.81
----------------------------------------------------------------------------------------------------------------
3. On page 74202, correct Table II-11 by revising it to read as
follows:
---------------------------------------------------------------------------
\74\ The NHTSA proposal provides voluntary standards for model
years 2014 and 2015. Target line functions for 2016-2018 are for the
second NHTSA alternative described in Section II.C(d)(ii).
Table II-4--Proposed Vocational Diesel Engine Standards Over the Heavy-Duty FTP Cycle
----------------------------------------------------------------------------------------------------------------
Medium
Model year Standard Light heavy- heavy-duty Heavy heavy-
duty diesel diesel duty diesel
----------------------------------------------------------------------------------------------------------------
2014-2016................................. CO2 Standard (g/bhp-hr)...... 600 600 567
Voluntary Fuel Consumption 5.89 5.89 5.57
Standard (gallon/100 bhp-hr).
2017 and Later............................ CO2 Standard (g/bhp-hr)...... 576 576 555
Fuel Consumption (gallon/100 5.66 5.66 5.45
bhp-hr).
----------------------------------------------------------------------------------------------------------------
4. On page 74202, in the third column, correct the first sentence
of the first complete paragraph by revising it to read as follows:
``The baseline 2010 model year CO2 performance of these
heavy-duty gasoline engines over the Heavy-duty FTP cycle is 660 g
CO2/bhp-hr (7.43 gal/100 bhp-hr) in 2010 based on non-GHG
certification data provided to EPA by the manufacturers.''
5. On page 74202, in the third column, correct the first sentence
of the second complete paragraph by revising it to read as follows:
``NHTSA is proposing a 7.06 gallon/100 bhp-hr standard for fuel
consumption while EPA is proposing a 627 g CO2/bhp-hr
standard tested over the Heavy-duty FTP, effective in the 2016 model
year.''
6. On page 74220, correct Table III-2 by revising it to read as
follows:
Table III-5--Class 7 and 8 Tractor Baseline CO2 Emissions and Fuel Consumption
--------------------------------------------------------------------------------------------------------------------------------------------------------
Class 7 Class 8
----------------------------------------------------------------------------------------------------------------------
Day cab Day cab Sleeper cab
----------------------------------------------------------------------------------------------------------------------
Low/mid roof High roof Low/mid roof High roof Low roof Mid roof High roof
--------------------------------------------------------------------------------------------------------------------------------------------------------
CO2 (grams CO2/ton-mile)......... 111 130 84 96 76 81 89
Fuel Consumption (gal/1,000 ton- 10.9 12.8 8.3 9.4 7.5 8.0 8.6
mile)...........................
--------------------------------------------------------------------------------------------------------------------------------------------------------
7. On page 74225, correct Table III-6 by revising it to read as
follows:
Table III-6--Proposed 2014 and 2017 Model Year Tractor Reductions
--------------------------------------------------------------------------------------------------------------------------------------------------------
Class 7 Class 8
----------------------------------------------------------------------------------------------------------------------
Day cab Day cab Sleeper cab
----------------------------------------------------------------------------------------------------------------------
Low/mid roof High roof Low/mid roof High roof Low roof Mid roof High roof
--------------------------------------------------------------------------------------------------------------------------------------------------------
2014 Model Year
--------------------------------------------------------------------------------------------------------------------------------------------------------
2014 MY Voluntary Fuel 10.2 11.6 7.8 8.5 6.4 6.9 7.2
Consumption Standard (gallon/
1,000 ton-mile).................
[[Page 81955]]
2014 MY CO2 Standard (grams CO2/ 104 118 79 87 65 70 73
ton-mile).......................
Percent Reduction................ 6% 9% 6% 9% 15% 14% 18%
--------------------------------------------------------------------------------------------------------------------------------------------------------
2017 Model Year
--------------------------------------------------------------------------------------------------------------------------------------------------------
2017 MY Fuel Consumption Standard 10.1 11.4 7.7 8.4 6.3 6.8 7.0
(gallon/1,000 ton-mile).........
2017 MY CO2 Standard (grams CO2/ 103 116 78 86 64 69 71
ton-mile).......................
Percent Reduction................ 7% 11% 7% 10% 16% 15% 20%
--------------------------------------------------------------------------------------------------------------------------------------------------------
8. On page 74244, correct Table III-12 by revising it to read as
follows:
Table III-7--Baseline Vocational Vehicle Performance
----------------------------------------------------------------------------------------------------------------
Vocational vehicle
--------------------------------------------------------
Light heavy-duty Medium heavy-duty Heavy heavy-duty
----------------------------------------------------------------------------------------------------------------
Fuel Consumption Baseline (gallon/1,000 ton-mile)...... 37.5 22.3 11.3
CO2 Baseline (grams CO2/ton-mile)...................... 382 227 115
----------------------------------------------------------------------------------------------------------------
9. On page 74245, correct Table III-14 by revising it to read as
follows:
Table III-8--Proposed Vocational Vehicle Standards and Percent Reductions
----------------------------------------------------------------------------------------------------------------
Vocational vehicle
--------------------------------------------------------
Light heavy-duty Medium heavy-duty Heavy heavy-duty
----------------------------------------------------------------------------------------------------------------
2016 MY Fuel Consumption Standard (gallon/1,000 ton- 35.2 20.8 10.7
mile).................................................
2017 MY Fuel Consumption Standard (gallon/1,000 ton- 33.8 20.0 10.5
mile).................................................
2014 MY CO2 Standard (grams CO2/ton-mile).............. 358 212 109
2017 MY CO2 Standard (grams CO2/ton-mile).............. 344 204 107
Percent Reduction from 2010 baseline in 2014 MY........ 6% 7% 5%
Percent Reduction from 2010 baseline in 2017 MY........ 10% 10% 7%
----------------------------------------------------------------------------------------------------------------
[[Page 81956]]
10. On page 74245, in the third column, correct the second sentence
of the third paragraph by revising it to read as follows: ``The
agencies are projecting a 100% application rate of this technology
package to the heavy-duty gasoline engines, which results in a
CO2 standard of 627 g/bhp-hr and a fuel consumption standard
of 7.06 gallon/100 bhp-hr.''
11. On page 74440, correct Table 1 by revising it to read as
follows:
Table 1--Equation Coefficients for Vehicle Configuration Target
Standards
------------------------------------------------------------------------
Model year c d
------------------------------------------------------------------------
Alternative 1--Fixed Target Standards
------------------------------------------------------------------------
Compression-Ignition Vehicle Coefficients for Model Years 2016 and Later
------------------------------------------------------------------------
2016 through 2018............................. 0.000432 3.33
2019 and later................................ 0.000409 3.14
------------------------------------------------------------------------
Spark-Ignition Vehicle Coefficients for Model Years 2016 and Later
------------------------------------------------------------------------
2016 through 2018............................. 0.000513 3.96
2019 and later................................ 0.000495 3.81
------------------------------------------------------------------------
Alternative 2--Phased-in Target Standards Compression-Ignition Vehicle
Coefficients for Model Years 2016 and Later
------------------------------------------------------------------------
2016.......................................... 0.000452 3.48
2017.......................................... 0.000437 3.37
2018 and later................................ 0.000409 3.14
------------------------------------------------------------------------
Spark-Ignition Vehicle Coefficients for Model Years 2016 and Later
------------------------------------------------------------------------
2016.......................................... 0.000528 4.07
2017.......................................... 0.000518 3.98
2018 and later................................ 0.000495 3.81
------------------------------------------------------------------------
12. On page 74442, correct Table 2 by revising it to read as
follows:
Table 2--Voluntary Compliance Equation Coefficients for Vehicle Fuel
Consumption Standards
------------------------------------------------------------------------
Model year c d
------------------------------------------------------------------------
Compression-Ignition Vehicle Coefficients for Voluntary Compliance in
Model Years 2013 Through 2015
------------------------------------------------------------------------
2013 and 14................................... 0.000470 3.61
2015.......................................... 0.000466 3.60
------------------------------------------------------------------------
Spark-Ignition Vehicle Coefficients for Voluntary Compliance in Model
Years 2013 Through 2015
------------------------------------------------------------------------
2013 and 14................................... 0.000542 4.17
2015.......................................... 0.000539 4.15
------------------------------------------------------------------------
13. On page 74444, correct Table 4 by revising it to read as
follows:
Table 4--Truck Tractor Fuel Consumption Standards
------------------------------------------------------------------------
Day cab Sleeper cab
Regulatory subcategories --------------------------------------
Class 7 Class 8 Class 8
------------------------------------------------------------------------
Fuel Consumption Standards (gallons per 1000 ton-miles) Effective for
Model Years 2017 and Later
------------------------------------------------------------------------
Low Roof......................... 10.1 7.7 6.3
Mid Roof......................... 10.1 7.7 6.8
High Roof........................ 11.4 8.4 7.0
------------------------------------------------------------------------
Fuel Consumption Standards (gallons per 1000 ton-miles) Effective for
Model Years 2013 to 2016
------------------------------------------------------------------------
Low Roof......................... 10.2 7.8 6.4
Mid Roof......................... 10.2 7.8 6.9
High Roof........................ 11.6 8.5 7.2
------------------------------------------------------------------------
14. On page 74445, correct Table 5 by revising it to read as
follows:
Table 5--Heavy-Duty Engine Standards
--------------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------
Fuel Consumption Standards (gallons per 100 bhp-hr)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Regulatory subcategory Light heavy-duty Medium heavy-duty compression-ignition
compression- engine
ignition engine.
Heavy heavy-duty compression-ignition Spark-ignition....
engine engines...........
--------------------------------------------------------------------------------------------------------------------------------------------------------
Truck Application............... Vocational........ Vocational........ Tractor........... Vocational........ Tractor........... All.
Effective Model Years........... 2017 and later 2016 and later.
Fuel Consumption Standard....... 5.66.............. 5.66.............. 4.78.............. 5.45.............. 4.52.............. 7.06.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Fuel Consumption Standards for Voluntary Compliance (gallons per 100 bhp-hr)
--------------------------------------------------------------------------------------------------------------------------------------------------------
Regulatory subcategory Light heavy-duty Medium heavy-duty diesel engine
diesel engine.
Heavy heavy-duty diesel engine Spark-ignition....
engine............
--------------------------------------------------------------------------------------------------------------------------------------------------------
Truck Application............... Vocational........ Vocational........ Tractor........... Vocational........ Tractor........... All.
Effective Model Years........... 2013 through 2016 2013 through 2015.
[[Page 81957]]
Voluntary Fuel Consumption 5.89.............. 5.89.............. 4.93.............. 5.57.............. 4.67.............. 7.06.
Standard.
--------------------------------------------------------------------------------------------------------------------------------------------------------
Issued: December 20, 2010.
Joseph S. Carra,
Acting Associate Administrator for Rulemaking, National Highway Traffic
Safety Administration, Department of Transportation.
Issued: December 20, 2010.
Margo Tsirigotis Oge,
Director, Office of Transportation Air Quality, Environmental
Protection Agency.
[FR Doc. 2010-32726 Filed 12-28-10; 8:45 am]
BILLING CODE 4910-59-P
