Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 241 - CLEAN FUEL FLEET PROGRAM
Subpart D - RECORDKEEPING AND REPORTING
Appendix A - Emission Standards for Clean Fuel Vehicles
Table D - Emission Standards for Model Year 1998 and Later Heavy-Duty Vehicles (g/bhp-hr)

Universal Citation: 35 IL Admin Code ยง D
Current through Register Vol. 48, No. 38, September 20, 2024

VEHICLE

TYPE

THC

NOX

NMHC

+ NOX

CO

PM1

OMHCE

HCHO

GASOLINE

[LESS THAN OR EQUAL TO] 14,000 GVWR

1.1

4.0

---

14.4

---

1.1

---

GASOLINE

> 14,000 GVWR

1.9

4.0

---

37.1

---

1.9

---

DIESEL

1.3

4.0

---

15.5

0.10

1.3

---

LEV CERTIFIED

FUEL

2

2

3.8

2

2

2

---

LEV CERTIFIED

CALIF. FUEL

2

2

3.5

2

2

2

---

ULEV

2

2

2.5

7.2

0.05

2

0.025

ILEV

2

2

2.5

14.4

0.10

2

0.025

1Standards for particulate matter (PM) apply only to diesel-fueled vehicles.

2HD CFVs must meet conventional vehicle standards for THC, NOx, CO, PM, and OMHCE

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