West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
West Virginia vs. EPA: An Environmental Regulations Case with Broad Implications for Agency Power
Jones Day Talks: Developments in Germany's Wind Power Regulations
On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more
Two weeks ago, the Environmental Protection Agency (EPA) released its proposed repeal of the rules governing greenhouse gas emissions from fossil fuel-fired power plants. Included within the proposal is a new legal...more
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") issued a proposed rule to repeal all greenhouse gas ("GHG") emissions standards for fossil fuel-fired electric generating units ("EGUs") under § 111 of the...more
The Trump administration is proposing two repeals: one on regulations of power plants and the other on certain amendments to the 2024 Mercury and Air Toxics Standards. The administration believes these regulations have...more
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more
The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...more
On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule that, if finalized, would repeal all greenhouse gas (“GHG”) standards for the power sector. Further, the principles underlying the...more
If finalized, the rule would eliminate both Obama- and Biden-era limits on GHG emissions from fossil fuel-fired power plants. On June 11, 2025, the US Environmental Protection Agency (EPA) released a proposed rule under...more
EPA is attempting to use the Clean Air Act (CAA) to immediately shut down a Louisiana manufacturer that is indisputably in compliance with the emissions limits in its state issued air permit. In its emergency request to a...more
The National Rural Electric Cooperative Association (“NRECA”) submitted June 23rd comments to the United States Environmental Protection Agency (“EPA”) in its docket addressing Proposed National Emission Standards for...more
The Environmental Protection Agency (EPA) is proposing actions to address greenhouse gas (GHG) emissions from new and existing fossil-fuel-fired power plants in a bid to expedite the U.S. clean energy transition....more
The U.S. Environmental Protection Agency (EPA or Agency) on May 23, 2023, published a new suite of proposed standards for coal- and gas-fired power plants that will limit greenhouse gas (GHG) emissions. The proposed rule...more
The Environmental Protection Agency ("EPA") is proposing stringent carbon dioxide emissions standards for coal- and gas-fired power plants....more
EPA’s long-awaited proposal would set aggressive emission reduction targets with many different approaches and timelines to achieve them. On May 11, 2023, the US Environmental Protection Agency (EPA) released its...more
Today, the US Environmental Protection Agency released its long-awaited proposal for New Source Performance Standards for Greenhouse Gas Emissions from New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating...more
After weeks of hints and leaks, yesterday morning (May 11, 2023), EPA proposed a new rule regulating emissions from power plants. The proposed rule would apply to new and existing gas plants and existing coal plants—new coal...more
EPA’s latest proposed rule targeting NOx emissions from fossil-fueled electric generating units (EGUs) is a classic study of diminishing returns. It marks the seventh round of NOx controls for the EGU sector since 1990. The...more
On June 16, 2022, the Ohio Power Siting Board (“Board” or “OPSB”) issued a comprehensive set of proposed revisions to the rules governing the procedures before the OPSB and its siting criteria. The Order culminates a...more
EPA recently issued a proposed rule (“the Proposed Rule”) regarding the Mercury and Air Toxics Standards (MATS), which regulate hazardous air pollutant (HAP) emissions from coal and gas-fired electric generating units (EGUs)...more
Appeals court halts ruling blocking Biden climate metric - The Hill - March 16 - The Fifth Circuit Court of Appeals on Wednesday halted a lower court’s ruling that prevented the Biden administration from factoring the...more
The Arkansas Department of Environmental Quality (“ADEQ”) submitted October 31st comments to the United States Environmental Protection Agency (“EPA”) on its proposed rule: Emission Guidelines for Greenhouse Gas Emissions...more
Outlined in an Environmental Protection Agency ("EPA") proposal published on August 31, 2018, the Affordable Clean Energy ("ACE") rule would replace the Obama Administration's Clean Power Plan ("CPP"). A 60-day public comment...more
• The U.S. Environmental Protection Agency (EPA) has issued a proposed rule to reduce greenhouse gas (GHG) emissions from existing coal-fired power plants, a replacement for the Clean Power Plan (CPP) finalized by the Obama...more
Earlier this week, on August 21, President Trump’s Environmental Protection Agency (“EPA”) proposed a rule pursuant to Section 111(d) of the Clean Air Act (“CAA”) intended to replace the embattled Clean Power Plan (“CPP”)...more