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Labor/Employment,
Environmental & Energy

Aug. 28, 2025

Trucks in limbo: California's ZEV rules under legal challenge

Four big truck makers are suing California over its zero-emission rules, saying they're stuck between state mandates and federal rollbacks. The case could reshape how far states can go on climate policy and whether side deals like California's Clean Truck Partnership hold up in court.

Julie A. Cress

Partner
Baker Botts LLP

Phone: (415) 291-6242

Email: julie.cress@bakerbotts.com

Julie A. Cress is a partner at Baker Botts LLP.

See more...

Sterling Marchand

Partner
Baker Botts LLP

Department Chair of Litigation

Phone: (202) 508-9313

Email: sterling.marchand@bakerbotts.com

See more...

Rica V. Garcia

Senior Associate
Baker Botts LLP

See more...

Trucks in limbo: California's ZEV rules under legal challenge
Shutterstock

On Aug. 11, four major truck Original Equipment Manufacturers (OEMs) -- Daimler Truck North America LLC, International Motors LLC, Paccar Inc., and Volvo Group North America LLC -- sued the California Air Resources Board (CARB), its Executive Officer Steven Cliff, and Gov. Gavin Newsom, challenging California's authority to enforce mobile source regulations promoting a transition to zero emission vehicles...

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