States that have Adopted California's Vehicle Regulations

This interactive dashboard provides information on states that have adopted California’s light- and heavy-duty vehicle regulations under Section 177 of the Clean Air Act (42 U.S.C. §7507).

Categories

Topics
Zero-Emission Transportation
Programs
Advanced Clean Cars Program, Advanced Clean Trucks, Greenhouse Gas Standards for Medium- and Heavy-Duty Engines and Vehicles, Low-Emission Vehicle Program, Zero-Emission Vehicle Program, Advanced Clean Fleets
Type
Tool

Contact

Additional Information

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Light-Duty Vehicles

Percentages for state share of U.S. light-duty vehicle registrations is calculated using data from the National Automobile Dealers Association (NADA) report “NADA DATA 2022 Annual Financial Profile of America’s Franchised New-Car Dealerships," map "New-Vehicle Registrations by State, 2022." Registrations for Washington D.C. are not included in this report but Washington D.C. has the legal and legislative authority to adopt California’s vehicle standards.

Heavy-Duty Vehicles

Percentages for state share of U.S. heavy-duty vehicle registered is calculated using data ‘Trucks’ and ‘Buses’ from the Federal Highway Administration (FHWA) report “STATE MOTOR-VEHICLE REGISTRATIONS – 2020 ” table “MV-1.”

Current ZEV Sales in CA

Please reference the California Energy Commission's "New ZEV Sales in California" dashboard.

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New Vehicle Eligibility List for Purchase Incentive Programs
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