1、CRS INSIGHT Prepared for Members and Committees of Congress Legal SidebarLegal Sidebari i D.C. Circuit Rejects EPAs Efforts to Ban Hydrofluorocarbons: Part 2 September 5, 2017 This Sidebar is the second in a series of two posts analyzing the U.S. Court of Appeals for the District of Columbia Circuit
2、s (D.C. Circuits) decision in Mexichem Fluor, Inc. v. EPA, vacating part of a 2015 rule that would have banned uses of hydrofluorocarbons (HFCs), a class of greenhouse gases (GHGs). Part 1 of this series provided background on the U.S. implementation of the Montreal Protocol on Substances that Deple
3、te the Ozone Layer (Montreal Protocol) and analyzed the courts opinion. Part 2 of this series discusses the potential implications of the courts decision on further regulation of the HFCs and impacts on the United States implementation of the Montreal Protocol and its amendments. Alternative Legal O
4、ptions for Reducing HFCs Although the majority decision in Mexichem Fluor, Inc. v. EPA held that EPA could not require manufacturers that previously replaced ODSs with HFCs to replace those HFCs with another acceptable substitute, the majority did provide potential alternative pathways for EPA to re
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