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EPA Plans Reset of GHG and Mercury Rules for Power Plants

Introduction - Continuing the regulatory whiplash over greenhouse gases (GHG) emissions from power plants, the United States Environmental Protection Agency (EPA) recently proposed repealing the Biden administration’s GHG...more

Course Correction: Supreme Court Steers Toward Greater Predictability in NEPA Reviews

On 29 May 2025, the Supreme Court unanimously declared that a “course correction” was needed for cases under the National Environmental Policy Act (NEPA), holding that a law originally meant to be a procedural check to inform...more

Full of Hot Air? EPA Tries Again to Impose Greenhouse Gas Emission Standards on Fossil Fuel-Fired Power Plants

On 11 May 2023, the US Environmental Protection Agency (EPA) announced new standards for carbon dioxide (CO2) emissions from new and existing power plants (the Proposed Rule). EPA projects that the rule, if finalized, would...more

Electrifying the Renewable Fuel Standards: EPA Proposes a Major Expansion of the Renewable Fuel Standard Program

On 1 December 2022, U.S. Environmental Protection Agency (EPA) proposed a major new regulatory component of the Renewable Fuel Standard program (RFS) to recognize electricity produced from biomass and used to fuel electric...more

Supreme Court Advances Major Questions Doctrine and Limits EPA's Authority to Regulate Power Plant Carbon Emissions

On 30 June 2022, the U.S. Supreme Court issued a decision in West Virginia v. Environmental Protection Agency, limiting the U.S. Environmental Protection Agency’s (EPA) power to regulate carbon emissions from power plants...more

Trump Administration Releases Clean Power Plan Replacement Proposal

Advancing President Trump’s campaign promise to end the “war on coal,” on August 21, 2018, the U.S. Environmental Protection Agency (“EPA”) proposed a new rule to replace the Obama administration’s Clean Power Plan (“CPP”). ...more

Washington Continues to Consider a Carbon Tax and Defends Clean Air Rule

This is the first installment in the West Coast Carbon Policy Update — Three Part Series, which will examine carbon policies along the West Coast in Washington, Oregon, and California. While federal efforts to reduce...more

Energy Infrastructure and Carbon Policy: Impacts & Opportunities

This presentation to the Northwest & Intermountain Power Producers Coalition (NIPPC) reviews the current direction of carbon-reducing public policy and legal trends and their impacts on power producers and developers both...more

High Court Grants Stay of Clean Power Plan

On February 9, 2016, in an historic and unprecedented decision, the U.S. Supreme Court blocked the U.S. Environmental Protection Agency (“EPA”) from implementing the Clean Power Plan (“CPP”) while the rule is challenged in...more

Facing Two Strikes, EPA Gets a Hit: Supreme Court Upholds EPA Cross-State Air Pollution Rule

Two years ago, we reported that the D.C. Circuit vacated and remanded the U.S. Environmental Protection Agency’s (“EPA”) second attempt at regulation of air pollution crossing state borders. Facing two strikes, EPA swung for...more

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