On March 11, the U.S. Environmental Protection Agency completed an important rulemaking under Title VI of the Clean Air Act Amendments of 1990, revising its requirements applicable to the management of refrigerants in appliances and industrial process refrigeration. The rulemaking corrects what the EPA states was an incorrect Obama-era interpretation of the Clean Air Act, that would have allowed the agency to issue sweeping and costly regulations for refrigerants that companies had invested in to alleviate the problem of ozone-layer depletion pursuant to the 1987 Montreal Protocol.
Continue Reading EPA Reversal of Refrigerant Requirements Is Good for Companies

Unwilling to wait for further federal action, Massachusetts, Maine and Rhode Island are joining a group of other states (e.g., California, Vermont, Washington, Connecticut, Delaware and New York) that have either resuscitated or announced their intent to revive EPA’s ban on the end use of some HFCs at the individual state level.
Continue Reading Ozone’s Cure is Climate’s Scourge—Northeast States to Ban Use of Hydrofluorocarbons