The D.C. Circuit vacated a 2018 EPA rule that instituted a complete vacatur of its 2015 rule blocking the use of hydrofluorocarbons as replacements for ozone-depleting substances. An environmental…

The court holds that the U.S. Environmental Protection Agency (EPA) did not act arbitrarily and capriciously when, under the Clean Air Act (CAA) §612(c) and its regulations, it designated a…