This is long overdue, but more significant than I would have thought:
"The regulation would begin to take effect in 2022 and would gradually reduce the production and importation of hydrofluorocarbons in the United States by 85 percent over the following 15 years. About 15 percent of HFCs would still be permitted because they have critical uses for which alternatives do not yet exist.
The E.P.A. estimated that by 2050 the rule would eliminate the equivalent of 4.7 billion metric tons of carbon dioxide, or about three years’ worth of emissions from America’s power sector. That would help put the United States on a path toward meeting Mr. Biden’s aggressive goal of cutting America’s emissions roughly in half by 2035."
"The E.P.A.’s action is backed by both environmental groups and the business community, which jointly championed bipartisan legislation passed by Congress in December to tackle HFCs."
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