The Environmental Protection Agency (EPA) issued a proposed rule to repeal all greenhouse gas (GHG) emissions standards for fossil fuel-fired electric generating units (EGUs). EPA proposes that the Clean Air Act requires the agency to make a finding that GHG emissions from fossil-fuel EGUs contribute significantly to dangerous air pollution, and EPA also proposes a finding that GHG emissions do not contribute significantly to dangerous air pollution. Consequently, EPA may not regulate them under the Act.
In this action, the U.S. Environmental Protection Agency (EPA) is proposing to repeal all greenhouse gas (GHG) emissions standards for fossil fuel-fired power plants. The EPA is proposing that the Clean Air Act (CAA) requires it to make a finding that GHG emissions from fossil fuel-fired power plants contribute significantly to dangerous air pollution, as a predicate to regulating GHG emissions from those plants. The EPA is further proposing to make a finding that GHG emissions from fossil fuel-fired power plants do not contribute significantly to dangerous air pollution. The EPA is also proposing, as an alternative, to repeal a narrower set of requirements that includes the emission guidelines for existing fossil fuel-fired steam generating units, the carbon capture and sequestration/storage (CCS)-based standards for coal-fired steam generating units undertaking a large modification, and the CCS-based standards for new base load stationary combustion turbines.
DATES:
Comments. Comments must be received on or before August 7, 2025.
Public Hearing. The EPA will hold a virtual public hearing on July 8, 2025. Please refer to the SUPPLEMENTARY INFORMATION section for information on registering for the public hearing.
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