Automakers back California in challenge of auto-emissions clout

Ford Mustang Mach-E Active Drive AssistSeven automakers on Monday filed a brief in a federal court case challenging California's ability to set higher emissions standards—siding with California. The case—Ohio v. EPA—is pending in the U.S. Court of Appeals in Washington. It was brought by 17 Republican-led states looking to revoke California's Clean Air Act waiver...