California Air Resources Board

What you need to know: The California Air Resources Board has identified its research priorities for the next five years, which will inform science-driven policymaking at a time the federal government is rejecting accepted research on climate and air quality. 

SACRAMENTO, CA – The California Air Resources Board (CARB) has adopted its Five-Year Strategic Research Plan for 2025–2030, reaffirming the agency’s commitment to science-driven policymaking that protects public health and addresses the growing threats of climate change.  

SACRAMENTO:  Heavy-duty vehicle public fleet owners subject to California’s Advanced Clean Fleet (ACF) regulation have new flexibility in meeting the regulation’s requirements along with streamlined processes for applying for exemptions.

What you need to know: Zero-emission vehicles (ZEVs) made up nearly 23% of new medium- and heavy-duty vehicle sales in California in 2024 — more than double the state’s target and the highest total of ZEV sales ever reported. Demand remains high with  nearly $200 million in incentive funding requests submitted on the very first day applications opened this month. 

SACRAMENTO — The California Air Resources Board (CARB) today submitted comments opposing the U.S. Environmental Protection Agency’s (EPA) illegal push to end federal responsibility for greenhouse gas emissions by overturning its 2009 endangerment finding. The comments also note that EPA’s proposal ignores more than 15 years of its own research and regulations. 

SACRAMENTO — Governor Gavin Newsom today announced that California Air Resources Board (CARB) Chair Liane Randolph will be retiring from state service effective September 30, 2025 and named Senior Advisor to the Governor for Climate Lauren Sanchez to serve as the next CARB Chair.

SACRAMENTO —The California Air Resources Board filed public comments debunking the U.S. Energy Department (DOE) study the U.S. Environmental Protection Agency (U.S. EPA) is using to eliminate federal climate programs. CARB’s comments include a detailed report calling out DOE misinformation and falsehoods one by one. 

SACRAMENTO – Today at noon (PDT), California and Quebec released the results of the 44th joint cap-and-trade auction of carbon allowances from both jurisdictions. The final numbers include sales figures and settlement prices for Current Vintage (2025) and Advanced Vintage (2028).

Current Vintage

Number offered: 51,883,970

SACRAMENTO — Dr. Steven Cliff, Executive Officer of the California Air Resources Board, testified today before the U.S. Environmental Protection Agency in opposition to the agency’s proposal to reject its 2009 endangerment finding, which has helped guide the United States to global leadership in addressing harmful greenhouse gas pollution.

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What you need to know: State agencies are acting on Governor Gavin Newsom’s direction to push forward with a 21st century economy that prioritizes public health and clean transportation, despite massive dereliction of duty by the federal government. 

WHAT YOU NEED TO KNOW: With support from California’s Cap-and-Invest Program, also known as Cap-and-Trade, the state is funding community air protection efforts in 19 communities that suffer from the highest levels of air pollution in the state. Results from the Community Air Protection Program include over 9,000 local projects and hundreds of new and innovative clean air strategies.