The ability of California to set its own, more stringent environmental and emissions standards — the basis for the state’s Advanced Clean Trucks rule and possibly its Advanced Clean Fleets rule — was upheld Tuesday by the U.S. Court of Appeals for the District of Columbia Circuit.
The case, Ohio vs. EPA, had a plethora of plaintiffs, including 16 states besides Ohio and a group of petroleum-focused trade groups such as the American Fuel & Petrochemical Manufacturers and the National Association...