Trump Stalls on Climate-Warming Coolants Amid State, Industry Outcry

Nov. 9, 2018, 8:00 PM

Lack of a federal response to limit potent greenhouse gas refrigerants could allow millions more tons of climate-warming emissions nationwide by 2030, regulators from California and New York say.

The states say the emissions would be a direct result of the Environmental Protection Agency’s failure to enforce Obama-era rules banning certain hydrofluorocarbons (HFCs), refrigerant chemicals that are greenhouse gases hundreds of times more potent than carbon dioxide.

The EPA announced in April that it wouldn’t implement the limits and would eventually rewrite them. The EPA said it was taking these steps because of uncertainty after a federal appeals...

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