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AG Brown co-leads challenge to federal rule weakening regulation of highly potent greenhouse gas

Attorney General of Washington

Jul 21, 2026

The U.S. Environmental Protection Agency (EPA) unlawfully adopted a rule weakening regulations designed to phase out hydrofluorocarbons (HFCs) in commercial equipment, which will i…

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AG Brown co-leads challenge to federal rule weakening regulation of highly potent greenhouse gas

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