( February 19, 2026, 2:44 PM EST) -- WASHINGTON, D.C. — A litany of environmental advocacy groups and 18 youths from across the country filed petitions in the District of Columbia Circuit U.S. Court of Appeals on Feb. 18 challenging a U.S. Environmental Protection Agency final action published in the Federal Register the same day that rescinded Obama-era greenhouse gas (GHG) pollution regulations for engines and vehicles....