( January 7, 2026, 9:39 AM EST) -- WASHINGTON, D.C. — In a lawsuit filed in federal court in the District of Columbia, eight environmental nonprofits allege that President Donald J. Trump exceeded his lawful authority and violated the Clean Air Act (CAA) with the issuance of a presidential proclamation that used an untapped provision of the CAA to exempt coke oven facilities from complying with new applicable hazardous air pollutant standards....