15 GOP States Join Suit Seeking To Block CARB’s ZEV Truck Fleet Rule

Fifteen Republican led states from mostly midwestern and southern states are challenging the constitutionality of California’s rule requiring truck fleets to purchase increasing numbers of zero-emission vehicles (ZEVs) -- joining two nearly identical challenges already pending in the same federal district court. “California’s regulation, which is called Advanced Clean Fleets [ACF], masquerades as a rule for in-state conduct. But by leveraging California’s large population and access to international ports on the West Coast, [ACF] exports its ‘in-state’ ban nationwide, creating...