News & Analysis as of

Trump Administration CARB California

Allen Matkins

California Environmental Law & Policy Update 8.15.25

Allen Matkins on

A group of truck manufacturers filed a lawsuit on August 11 against California regulators contending that the state lacks the authority to enforce its heavy-duty vehicle emissions standards, which are stricter than federal...more

Mintz

The Trump Administration Dismantles California's "Clean Truck Partnership" Through the Use of Antitrust Law

Mintz on

On August 12, 2025, the Federal Trade Commission announced that it had “closed its investigation into whether several truck and engine manufacturers and their trade association violated the antitrust laws by entering the...more

Hanson Bridgett

Trucks, Trains, and Automobiles: Untangling the Status of California’s Vehicle Emission Waivers

Hanson Bridgett on

Vehicle manufacturers and operators in California are no stranger to complex regulations, with the California Air Resources Board’s (CARB) history of pioneering mobile emission regulations. ...more

Morrison & Foerster LLP

Advanced Clean Fleets Regulations No Longer in Force for Most Fleet Operators and Owners

In the face of the Trump administration’s hostility toward California’s Clean Air Act waivers in general, CARB withdrew its request to EPA for a waiver for the Advanced Clean Fleets (ACF) regulation on January 13, 2025....more

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