1、 https:/crsreports.congress.gov March 3, 2021Hydrofluorocarbon Phasedown: Issues for CongressCongress enacted legislationthe American Innovation and Manufacturing (AIM) Act of 2020to phase down hydrofluorocarbons (HFCs) domestically (P.L. 116-260, Division S, 103). HFCs are potent greenhouse gases (
2、GHGs) used in air conditioning, refrigeration, foam blowing agents, insulation, and other applications. Multiple scientific assessments conclude that anthropogenic GHGs (e.g., carbon dioxide and HFCs) have been a major driver of observed climate change since 1950. AIM establishes a 15-year timeline
3、to reduce domestic HFC production and consumption and directs the U.S. Environmental Protection Agency (EPA) to implement AIMs requirements, including through regulations. AIMs phasedown schedule appears to align with international commitments to phase down HFCs under the Kigali Amendment to the Mon
4、treal Protocol. The United States is a party to the Montreal Protocol (MP). As of early March 2021, the United States is not a party to the Kigali Amendment. The Biden Administration has signaled its interest in international efforts to reduce HFCs. For example, Executive Order 14008 instructs the S
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