As new air pollution rules for powerplants became law on Oct. 27, a coalition of 12 states and others challenged those regulations in federal court.
Officials from mostly eastern states, the District of Columbia and local governments sued the Environmental Protection Agency in the U.S. Court of Appeals for the District of Columbia Circuit. The lawsuit seeks to block changes announced earlier to the New Source Review provisions of the Clean Air Act (ENR 9/1 p.11).