WASHINGTON, July 3 (TNSFR) -- The U.S. Environmental Protection Agency approved Oklahoma's updated air permitting program, finding the State Implementation Plan revisions comply with Clean Air Act requirements. The Environmental Protection Agency has finalized approval of selected revisions to Oklahoma's State Implementation Plan, updating the state's New Source Review permitting program and other general air quality provisions under the Clean Air Act. The final rule approves portions of revisions submitted by Oklahoma between 2002 and 2025 t more PR