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California Air Resources Board

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Diesel Hotline
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8666DIESEL@arb.ca.gov
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(866) 634-3735 / 866 6-DIESEL

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

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California Governor
Gavin Newsom Opens a New Window.
Secretary for Environmental Protection
Yana Garcia Opens a New Window.
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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