[20180607]IF10904_潜在的氢氟碳化合物逐步减少：国会议题.pdf

https:/crsreports.congress.gov June 7, 2018Potential Hydrofluorocarbon Phase Down: Issues for CongressPotential Issues for Congress Hydrofluorocarbons (HFCs), a potent set of greenhouse gases (GHGs), are used in air conditioning, refrigeration, foam blowing agents, insulation, and other applications. While many nations are poised to phase down HFCs, U.S. policies appear paused: Next steps in the executive branch are unclear. Nonetheless, Congress may face several issues related to possible phase down of HFCs both domestically and internationally: The Senate may consider its advice and possible consent to ratify a 2016 international treaty, the Kigali Amendment, if the President submits it to the Senate. Under the Kigali Amendment, Parties commit to eventually phase out HFC production and consumption. Industry and environmental groups seek, along with U.S. ratification of the Kigali Amendment, clarification of the U.S. Environmental Protection Agencys (EPA) authority to limit HFC use after a federal court in 2017 vacated part of an EPA rule. If the United States joins the Kigali Amendment, Congress may consider appropriations of the U.S. contribution, if any, to international “adeq