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Heavy-Duty Low NOx

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Primary Contact

Low NOx
Email
lownox@arb.ca.gov

Categories

Topics
Air Pollution, On-Road Heavy-Duty Vehicles
Division
Mobile Source Control Division

News

Dec 18, 2024
California receives waivers to reduce pollution from passenger and heavy-duty vehicles
Jul 6, 2023
CARB and truck and engine manufacturers announce unprecedented partnership to meet clean air goals
Jan 14, 2022
CARB releases warranty cost study for Heavy-Duty Omnibus Regulation
Aug 28, 2020
California adopts strong new regulation to further reduce smog-forming pollution from heavy-duty diesel trucks
Dec 12, 2019
CARB approves air quality plan for South Coast Air Basin ahead of 2023 clean-air deadline

Contact Us

(800) 242-4450  |  helpline@arb.ca.gov 
1001 I Street, Sacramento, CA 95814
P.O. Box 2815, Sacramento, CA 95812

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California Governor
Gavin Newsom Opens a New Window.
Secretary for Environmental Protection
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Chair, California Air Resources Board
Liane M. Randolph Opens a New Window.

The California Air Resources Board is one of six boards, departments, and offices under the umbrella of the California Environmental Protection Agency.

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