Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 240 - MOBILE SOURCES
Subpart D - STEADY-STATE IDLE MODE TEST EMISSION STANDARDS
Section 240.152 - Steady-State Idle Mode Vehicle Exhaust Emission Standards

Current through Register Vol. 48, No. 38, September 20, 2024

a) Exhaust emissions from light duty vehicles shall not exceed the following limitations:

Model Year

Carbon Monoxide

Hydrocarbons as Hexane

(%)

(ppm)

1996 and newer

1.2

220

b) Exhaust emissions from light duty trucks 1 and light duty trucks 2 shall not exceed the following limitations:

Model Year

Carbon Monoxide

Hydrocarbons as Hexane

(%)

(ppm)

1996 and newer

1.2

220

c) Exhaust emissions from heavy duty vehicles shall not exceed the following limitations:

Model Year

Carbon Monoxide

Hydrocarbons as Hexane

(%)

(ppm)

1996 and newer

3.0

300

Disclaimer: These regulations may not be the most recent version. Illinois may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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