26 Feb '16, 12pm

This is great news: EPA to Ban Several Common HFC Blowing Agents, Refrigerants - BuildingGreen

Specific substances to be banned include HFC-134a, commonly used as the blowing agent for extruded polystyrene (XPS) foam insulation; the compound will also no longer be permitted in automobile air conditioning or retail food refrigeration. HFC-143a and HFC-245fa will also be banned for production of many types of polyurethane foam but still allowed in spray polyurethane foam. A number of HFCs branded by DuPont under the name Formacel must also be phased out. The ban for blowing agents will take effect January 1, 2017, a year later than the bans for refrigerants and propellants.

Full article: https://www2.buildinggreen.com/article/epa-ban-several-co...