California Sues to Block Trump Move to Weaken Fuel Economy Rules
California and a coalition of states and cities have filed suit to stop the Trump administration from rolling back federal vehicle fuel-economy standards, escalating a high-stakes fight over climate policy, consumer costs and the reach of federal authority. The case could shape the future of U.S. auto regulation and influence how investors assess the electric-vehicle transition, automakers’ compliance costs and long-term fuel demand.
