A federal court today ruled that the U.S. Environmental Protection Agency (EPA) cannot require companies to replace potent heat-trapping chemicals with other substances, dealing a blow to part of the Obama administration's climate change legacy.
The court found that the Obama EPA exceeded its authority under the Clean Air Act with a 2015 rule that eliminated some uses for hydrofluorocarbons (HFCs) — which were previously accepted as alternatives to ozone-depleting substances — and approved certain replacements.
The three-judge panel of the U.S. Court of Appeals for the District of Columbia Circuit sent the rule back to EPA.
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