Mealey's (March 19, 2018, 4:16 PM EDT) -- WASHINGTON, D.C. — A federal appeals panel in the District of Columbia on March 15 upheld a U.S. Environmental Protection Agency rule that did not set emissions limits during startup and shutdown periods for industrial boilers, finding that temperature conditions were too variable during those periods (Sierra Club v. U.S. Environmental Protection Agency, No. 16-1021, D.C. Cir., 2018 U.S. App. LEXIS 6534)....