Amid Alternatives, EPA Withdraws Plan For Limited HFC Use In Foam

EPA is withdrawing a plan to allow a time-limited use of certain climate-warming hydrofluorocarbon (HFC) blends in the foam insulation sector, after environmentalists and some industry commenters argued that alternatives with a lower global warming potential (GWP) are already being manufactured and used. The agency’s action, outlined in a May 20 Federal Register notice , formally withdraws an October 2021 supplemental proposal that would have approved three blends of HFC-134a for use in “extruded polystyrene” (XPS) only until Jan...