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Proposed Rules Carbon Emissions Environmental Protection Agency (EPA)

Jackson Walker

EPA Proposes Rollback of Climate and Power Plant Regulations

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The Environmental Protection Agency (EPA) has launched a regulatory rollback campaign implementing President Trump’s energy and deregulatory agenda. These proposed actions represent a fundamental shift toward policies...more

Tonkon Torp LLP

EPA Poised to Overturn Greenhouse Gas Endangerment Finding

Tonkon Torp LLP on

Current Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a rule today to rescind 2009 rules that form the basis of greenhouse gas (GHG) emissions limitations, a move that will almost certainly lead to...more

Vinson & Elkins LLP

EPA Proposes to Repeal Biden-era Regulations Governing Air Toxic Emissions from Coal- and Oil-Fired Power Plants

Vinson & Elkins LLP on

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

Pillsbury Winthrop Shaw Pittman LLP

EPA Announces Sweeping Deregulatory Agenda: The Complete Set of EPA’s 31 Actions and Affected Environmental Regulations

In what it called “the greatest and most consequential day of deregulation in U.S. history,” the Environmental Protection Agency (EPA) announced its most expansive deregulatory initiative to date on March 12, 2025. Through a...more

Snell & Wilmer

EPA Announces Removal of Existing Natural Gas Plants from Proposed Carbon Rule

Snell & Wilmer on

On February 29, 2024, the US Environmental Protection Agency (EPA) announced a significant delay in the implementation of its proposed carbon rule for existing natural gas power plants. This decision has drawn criticism from...more

BakerHostetler

Methane Series Part III: Implementation Is Here. EPA Published the Proposed Rule Implementing the First-Ever Direct Tax on Methane...

BakerHostetler on

We wrote an overview of the methane tax after the Inflation Reduction Act was signed into law in August 2022 and Congress directed the Environmental Protection Agency (EPA) to impose the first-ever direct tax on methane...more

Vinson & Elkins LLP

The EPA’s Methane Waste Emission Charge: A Tax by Any Other Name

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The Environmental Protection Agency (EPA) has published a proposed rule to assess and collect billions of dollars in methane “waste emission charges” from the oil and gas sector....more

Williams Mullen

EPA Plant Shutdown Appeal Heats Up

Williams Mullen on

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

Pillsbury Winthrop Shaw Pittman LLP

EPA Proposes Aggressive Carbon Pollution Standards to Reduce Greenhouse Gas Emissions

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

Holland & Knight LLP

Answers to 4 Major Questions: EPA Proposes Power Plant GHG Rule After West Virginia v. EPA

Holland & Knight LLP on

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

Jones Day

The Agency Strikes Back: EPA Proposes New Emissions Limits for Fossil Fuel-Fired Power Plants

Jones Day on

In Short - The Situation: The Environmental Protection Agency ("EPA") has issued proposed rules to limit carbon dioxide ("CO2") emissions from fossil fuel-fired power plants (the "Proposed Rules")....more

Mitchell, Williams, Selig, Gates & Woodyard,...

Revisions/Confidentiality Determinations for Data Elements/Greenhouse Gas Reporting Rule: U.S. Environmental Protection Agency...

The United States Environmental Protection Agency (“EPA”) published a Supplemental Notice of Proposed Rulemaking (“Proposal”) in the May 22nd Federal Register that would amend certain parts of the Greenhouse Gas Reporting...more

Holland & Hart LLP

GHG Standards for the Power Sector: Is Third Time the Charm or Is It Déjà Vu?

Holland & Hart LLP on

In the third attempt in less than 10 years, the Environmental Protection Agency issued a proposed rule package (“Proposal”) that would apply strict greenhouse gas emissions standards to the fossil fuel-fired power sector. The...more

Jones Day

EPA Proposes New Carbon Pollution Standards for Fossil Fuel-Fired Power Plants

Jones Day on

The Environmental Protection Agency ("EPA") is proposing stringent carbon dioxide emissions standards for coal- and gas-fired power plants....more

Latham & Watkins LLP

5 Things to Know About EPA’s Proposed Power Plant CO2 Emissions Rule

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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

Pillsbury Winthrop Shaw Pittman LLP

Fifth Circuit Permits the Use of the Social Cost of Carbon, For Now

The court’s decision allows the Biden administration to further develop the Social Cost of Carbon (SCC) but leaves open the possibility of future judicial scrutiny of its implementation. The Fifth Circuit’s ruling allows...more

Akin Gump Strauss Hauer & Feld LLP

EPA Announces Intent to Approve Class VI Primacy for Louisiana

The U.S. Environmental Protection Agency (EPA) announced its intent to approve the State of Louisiana’s request to take primary responsibility for the permitting of geologic carbon sequestration facilities as Class VI...more

Foley Hoag LLP - Energy & Climate Counsel

EPA Looks to Accelerate Electric Vehicle Adoption with New Vehicle Emission Standards

On April 12, 2023, the Environmental Protection Agency (EPA) proposed new pollutant emissions standards for light-duty and medium-duty vehicles and heavy duty vehicles.  The proposed rules set new, aggressive greenhouse gas...more

Hogan Lovells

EPA’s proposes most stringent vehicle emission standards ever for model years 2027-2032

Hogan Lovells on

On April 12, 2023, the Environmental Protection Agency (EPA) issued the notice of proposed rulemaking for “Multi-Pollutant Emission Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles” (the “proposed...more

Goldberg Segalla

Highly Anticipated Proposed EtO Rules the EPA Just Announced: Were They Worth The Wait?

Goldberg Segalla on

After years of delays – largely due to the COVID-19 pandemic – on April 11, 2023, the U.S. Environmental Protection Agency finally issued two proposals that would reduce ethylene oxide (EtO) emissions affecting fence-line...more

Morgan Lewis

EPA Proposes Including 'Fugitive' Air Emissions for Major Source Permitting

Morgan Lewis on

The US Environmental Protection Agency recently proposed a rule change that would formally repeal a 2008 rule and require all existing major industrial facilities to include “fugitive” emissions in preconstruction evaluations...more

Latham & Watkins LLP

Air District Targets Southern California Logistics Industry

Latham & Watkins LLP on

A local air district is developing a rule that would require both existing and proposed warehouses to reduce trucking emissions or pay a mitigation fee. The South Coast Air Quality Management District (SCAQMD or District)...more

Dickinson Wright

Comments On NHTSA/EPA's Claim That Fuel Economy Standards Must Be Frozen to Save Lives

Dickinson Wright on

In a recent Client Alert, Will Increasing Fuel Economy Standards Really Make Cars Less Safe? NHTSA and the EPA’s Proposal to Freeze Fuel Economy Standards at 2020 Levels, I noted that NHTSA and the EPA have proposed freezing...more

Mitchell, Williams, Selig, Gates & Woodyard,...

U.S. Environmental Protection Agency Affordable Clean Energy Rule: October 31st Arkansas Department of Environmental Quality...

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

Williams Mullen

Affordable Clean Energy Rule: Industry Urges EPA to Provide More Guidance to States

Williams Mullen on

Comments filed by the October 31 deadline show that industry overwhelmingly supports EPA’s proposed Affordable Clean Energy (ACE) rule. The ACE rule will regulate carbon dioxide (CO2) emissions from power plants and replace...more

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