Current through Register Vol. 54, No. 36, September 7, 2024
Section 126.501 - Purpose(a) This subchapter establishes a heavy-duty diesel emissions control program under section 177 of the Clean Air Act (42 U.S.C.A. § 7507) designed primarily to achieve emission reductions of the precursors of ozone, particulate matter, air toxics and other air pollutants from new heavy-duty diesel engines and vehicles.(b) This subchapter adopts and incorporates by reference certain provisions of the California Exhaust Emission Standards and Test Procedures for Heavy-Duty Diesel Engines and Vehicles.(c) This subchapter also exempts certain new heavy-duty diesel engines and vehicles from this new emissions control program.