Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020; Extension of Comment Period

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Part 84 [EPA-HQ-OAR-2025-0005; FRL-12166-03-OAR] AGENCY: Environmental Protection Agency (EPA). ACTION: Notice; extension of public comment period. SUMMARY: On October 3, 2025, the Environmental Protection Agency (EPA) published a proposed rule titled “Phasedown of Hydrofluorocarbons: Reconsideration of Certain Regulatory Requirements Promulgated Under the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020.” The EPA is extending the comment period for this proposed rule. DATES: The comment period for the proposed rule published on October 3, 2025, at 90 FR 47999 , is extended. Comments must be received on or before November 21, 2025. ADDRESSES: You may send your comments, identified by Docket ID No. EPA-HQ-OAR-2025-0005, by any of the following methods: Federal eRulemaking Portal: https://www.regulations.gov (our preferred method). Follow the online instructions for submitting comments. Email: a-and-r-Docket@epa.gov . Include Docket ID No. EPA-HQ-OAR-2025-0005 in the subject line of the message. Mail: U.S. Environmental Protection Agency, EPA Docket Center, Air and Radiation Docket, Mail Code 28221T, 1200 Pennsylvania Avenue NW, Washington, DC 20460. Hand Delivery or Courier: EPA Docket Center, WJC West Building, Room 3334, 1301 Constitution Avenue NW, Washington, DC 20004. The Docket Center's hours of operations are 8:30 a.m. to 4:30 p.m., Monday-Friday (except Federal Holidays). Instr…