Court Grants Industry Bid To Block CARB Enforcement Of Clean Truck Pact

November 4, 2025
A federal court is granting truck manufacturers’ request for a preliminary injunction on the California Air Resources Board’s (CARB) 2023 Clean Truck Partnership (CTP), agreeing with industry that CARB’s recent state court suit to enforce the deal marked a backdoor means of enforcing emissions rules despite Congress’ repeal of EPA’s preemption waivers. However, the court is rejecting the truck makers’ request for injunctions on several CARB regulations, as well as their First Amendment claim. CARB’s “filing of that lawsuit is...


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