EPA has extended by a week the public comment period for its high-profile repeal of the agency’s greenhouse gas endangerment finding, to Sept. 22, to accommodate a Clean Air Act (CAA) requirement to keep the comment period open 30 days after public hearings. However, the agency to date is declining to grant any longer deadline extension that a coalition of Democratic-led states has sought. EPA added a third day of hearings, Aug. 21, in addition to its original Aug. 19-20...