( June 18, 2025, 1:59 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on June 18 vacated a ruling by the Fifth Circuit U.S. Court of Appeals declining to transfer to the District of Columbia Circuit a case involving oil refineries’ challenges to the U.S. Environmental Protection Agency’s denial of requests for exemption from the Clean Air Act’s (CAA) Renewable Fuels Standards (RFS) program, finding that the CAA’s ‘“nationwide scope or effect’ exception applies, and the case belongs in the D.C. Circuit.”...