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Data / Federal rules / 2025-00659

New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units; Emission Guidelines for Greenhouse Gas Emissions From Existing Fossil Fuel-Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule; Final Action

The Environmental Protection Agency published this final rule in the Federal Register on January 15, 2025. It took effect on January 15, 2025.

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What the agency says

The U.S. Environmental Protection Agency (EPA) is providing notice that it has responded to two petitions for reconsideration of the final action titled, "New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units; Emission Guidelines for Greenhouse Gas Emissions From Existing Fossil Fuel-Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule", published in the Federal Register on May 9, 2024. The Administrator has denied or partially denied the requests for reconsideration in separate letters to the petitioners. The basis for the EPA's action is set out fully in the accompanying decision document, available in the rulemaking docket. At this time, the EPA is not addressing other grounds for reconsideration that have been raised by these or other petitioners.

Key facts

Document number
2025-00659
Type
Final rule
Action
Notice of final action denying or partially denying petitions for reconsideration
Agency
Environmental Protection Agency
Published
January 15, 2025
Takes effect
January 15, 2025
Dates
Effective January 15, 2025.
Docket
EPA-HQ-OAR-2023-0072; FRL-12547-01-OAR
Code of Federal Regulations
40 CFR 60
Pages
2

The document on federalregister.gov PDF

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Read from the Federal Register API, last updated 2026-10-24. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.