Tightening Trump Plan, EPA Floats Time-Limited HFC Blend Use For Foam

EPA is tightening a Trump-era proposed rule that would allow unlimited use of certain climate-warming hydrofluorocarbon (HFC) “blends” in the foam insulation sector, floating a supplemental plan that would instead allow the use of such blends only for roughly the next year. The agency’s supplemental proposal , scheduled for publication in the Oct. 6 Federal Register , also would impose “narrowed use limits” for the HFC blends in “extruded polystyrene” (XPS) products, compared with a June 2020 proposal that would...