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Court Vacates Obama-Era HFC Limits, Prompting Uncertain Policy Future

August 08, 2017
The U.S. Court of Appeals for the District of Columbia Circuit in a split ruling has vacated an Obama EPA rule limiting the use of hydrofluorocarbons (HFCs), refrigerants that are potent greenhouse gases, finding that the agency lacks authority to address the substances' climate risks under a section of the air act intended to address ozone-depleting substances. “Although we understand and respect EPA's overarching effort to fill that legislative void [left by Congress' failure to address climate change] and regulate...

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