Trump Administration Sues California over Electric Vehicle Mandate

The Trump administration is suing the California Air Resources Board (CARB) to block enforcement of the state’s vehicle emissions rules.

EPA Blocks California’s Out-of-State Truck Inspection Rule

The U.S. Environmental Protection Agency (EPA) issued a final rule January 27, 2026 disapproving of California’s inspection and maintenance requirements on out-of-state trucks passing through the state.

California Sets Standards for EV Charger Reliability

CARB Moves to Reinstate Vehicle Emissions Standards through Emergency Rule

The California Air Resources Board (CARB) adopted emergency regulations aimed at restoring the state’s vehicle emissions standards following federal actions earlier this year that sought to block key elements of California’s clean vehicle program.

EPA Proposes to Prevent California from Applying Smog Regulations to Out-of-State Trucks

California Regulators Plan to Increase EV Incentives as Feds Withdraw Support

California’s Clean Truck Partnership Faces Legal Challenges and FTC Invalidation

U.S. Supreme Court Allows Fuel Producers to Challenge EPA Waiver

Newsom Issues Executive Order on Emissions after Congress Revokes Waiver

Governor Gavin Newsom issued an executive order directing the California Air Resources Board (CARB) to develop new vehicle emissions regulations after Congress revoked California’s vehicle emissions waiver.

Trump Signs Resolutions that Repeal California Emissions Waivers

Repeal includes waiver that allows the state to end the sale of new gasoline-fueled or diesel-fueled passenger cars and trucks by 2035.

Senate Votes to Repeal California Emissions Waivers

California Joins Other States in Lawsuit over EV Funds

House Passes Resolutions to Overturn California Emissions Waivers

Congress to Review California’s Recent Emissions Waivers

Trump Aims to Eliminate the “EV Mandate” and State Emissions Waivers

CARB Withdraws Waiver Requests to Phase-Out Diesel Trucks, Trains, and Harbor Craft

Biden EPA Grants California Waivers for Yard Equipment, Refrigeration Units, Offroad Vehicles

EPA Approves Regulations for 2035 Phase-Out of Gas-Powered Vehicles

Supreme Court Declines Review of State Challenge to California Emissions Waiver

The U.S. Supreme Court declined to review a legal challenge seeking to overturn the EPA's decision to restore California’s Clean Air Act waiver, which allows the state to impose vehicle emissions standards that exceed federal requirements.

Newsom Proposes State EV Credits if Trump Rescinds Federal Tax Credits

EVs the Focus of Newsom’s Efforts to “Safeguard” California from Trump Administration

Newsom Signs Bill to Require EVs to Have Capability to Power Homes and Grid

Virginia Withdraws from California EV Mandate

D.C. Appeals Court Strikes Down Lawsuit Challenging California Emissions

LAO Report: Declines in Gas Tax Revenue from EVs Will Reduce Transportation Funding

Climate initiatives could reduce the current $14.2 billion in state fuel tax and vehicle fee revenue by $4 billion over the next decade.