The California Air Resources Board (CARB) is launching Drive Forward, a new initiative reaffirming California’s leadership in clean air and climate policy and charting the next phase of the State’s light-, …

The Truck and Bus regulation has been in effect since December 2008, as of January 1, 2023, all diesel-powered vehicles operating in California, with a gross vehicle weight rating over 14,000 lbs. must …

CARB is the lead agency for climate change programs and oversees all air pollution control efforts in California to attain and maintain health-based air quality standards. Organization of the Board Board …

Posted March 10, 2026: Clean Truck Check program requirements are in effect for subject vehicles, including vehicles registered outside of California when operating in the state, to report, pay an …

Mar 23, 2026 · California Climate-Disclosure Information Solicitation (Dec 2024) The California Air Resources Board solicited feedback to help inform its work to implement SB 253 (Wiener, Statutes of …

Feb 26, 2026 · CARB's mission is to promote and protect public health, welfare, and ecological resources through effective reduction of air pollutants while recognizing and considering effects on …

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Dec 1, 2025 · Resources Resources December 2024 Enforcement Notice (posted 12/5/24) FAQs Regarding California Climate Disclosure Requirements (updated 11/17/25) Climate Related Financial …

Esta página está disponible en español Back to Regulation Overview Enforcement is active. Stay Compliant. California's Clean Truck Check law is in effect. Avoid a California DMV registration hold …

CARB encourages public input on regulatory and non-regulatory items presented to the Board. Public testimony can be made on any Board item at the Board Meeting. Public comments can be submitted …