Court Declines To Rehear Firm’s Nondelegation Challenge To HFC Law

September 30, 2025
The D.C. Circuit is denying a request from a manufacturer of hydrofluorocarbons (HFCs) to reconsider its claim that Congress illegally delegated authority to EPA in a 2020 law governing the climate-warming chemicals, scuttling chances that the court might reverse a prior panel ruling against the company. In a pair of orders issued Sept. 30, the U.S. Court of Appeals for the District of Columbia Circuit rejected requests from RMS of Georgia, also known as Choice Refrigerants, to rehear a panel...


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