(October 15, 2020, 1:42 PM EDT) -- WASHINGTON, D.C. — Environmental groups on Oct. 13 filed a petition in the District of Columbia Circuit U.S. Court of Appeals seeking review of the U.S. Environmental Protection Agency’s final rule pertaining to national emission standards for hazardous air pollutants pursuant to the Clean Air Act (CAA) and the Federal Rules of Appellate Procedure (Rise St. James, et al. v. U.S. Environmental Protection Agency, et al., No. 20-1417, D.C. Cir.)....