(August 2, 2023, 1:06 PM EDT) -- WASHINGTON, D.C. — The Federal Energy Regulatory Commission (FERC) moved in the District of Columbia Circuit U.S. Court of Appeals to dismiss a petition filed by environmental groups that oppose the Mountain Valley Pipeline, arguing that the petition is moot because Congress has ratified FERC’s orders approving the pipeline through its passage of the Fiscal Responsibility Act (FRA)....