(August 18, 2020, 2:17 PM EDT) -- WASHINGTON, D.C. — The U.S. Environmental Protection Agency on Aug. 14 moved in the U.S. District Court for the District of Columbia seeking the dismissal of a lawsuit brought by 14 states, the District of Columbia and the city of Chicago related to the EPA's delay in issuing a final rule to regulate methane emissions, arguing that the case is moot because the EPA has now issued a final rule (New York, et al. v. U.S. Environmental Protection Agency, No. 18-773, D. D.C.)....