(July 21, 2017, 11:17 AM EDT) -- WASHINGTON, D.C. — A collection of environmental advocacy groups on July 20 filed a lawsuit in the U.S. District Court for the District of Columbia seeking declaratory and injunctive relief against U.S. Environmental Protection Agency Administrator Scott Pruitt pursuant to the Clean Air Act (CAA), 42 U.S.C. § 7401 et seq., contending that the agency should be ordered to reply to the groups’ petition concerning Texas refinery permits (Environmental Integrity Project, et al. v. Scott Pruitt, No. 17-1439, D. D.C.)....