News & Analysis as of

Comment Period Greenhouse Gas Emissions Environmental Protection Agency (EPA)

Cozen O'Connor

AGs Clash over EPA Rollbacks, Net-Zero Standards

Cozen O'Connor on

Illinois AG Kwame Raoul co-led a coalition of 17 Democratic AGs, the city of Chicago, New York City, and the California Air Resources Board, in filing comments opposing the EPA’s proposal to repeal the 2024 Mercury and Air...more

Holland & Knight LLP

Up in the Air: EPA Opens Comment on Repealing Endangerment Finding, Motor Vehicle GHG Rules

Holland & Knight LLP on

The U.S. Environmental Protection Agency (EPA) on Aug. 1, 2025, published a proposal to repeal all greenhouse gas (GHG) emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines from model year 2012...more

ArentFox Schiff

EPA Proposes Repeal of 2009 Endangerment Finding Impacting Greenhouse Gas Regulations

ArentFox Schiff on

On July 29, the US Environmental Protection Agency (EPA) announced a proposal to rescind its 2009 Endangerment Finding....more

Beveridge & Diamond PC

EPA Proposes to Rescind Greenhouse Gas Endangerment Finding and Associated Motor Vehicle and Engine Emission Standards

Key Takeaways - What Happened? On July 29, 2025, the U.S. Environmental Protection Agency (EPA) published a proposed rule to rescind the 2009 Greenhouse Gas (GHG) Endangerment Finding (“Endangerment and Cause or Contribute...more

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

Haynes Boone on

The U.S. Environmental Protection Agency (EPA) has proposed a major shift in regulatory policy—to rescind the agency’s 2009 “Endangerment Finding” and to repeal all resulting emission standards for new motor vehicles and...more

Jones Day

EPA Initiates Rulemaking to Eliminate the 2009 GHG Endangerment Finding

Jones Day on

The U.S. Environmental Protection Agency ("EPA") proposes rescission of the 2009 Endangerment Finding, which underpins greenhouse gas regulation under the Clean Air Act....more

Holland & Knight LLP

EPA Launches Comment Period on Power Plant Climate and Air Toxics Rules

Holland & Knight LLP on

The U.S. Environmental Protection Agency (EPA) proposes to eliminate greenhouse gas regulations for power plants after concluding that power plants do not "contribute significantly" to dangerous air pollution or,...more

Jones Day

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

Jones Day on

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

Sullivan & Worcester

MEPA Issues Straw Proposals to Update Climate Resiliency and Greenhouse Gas Policies – Comments Due September 16th

Sullivan & Worcester on

The Massachusetts Environmental Policy Act (MEPA) Office in the Executive Office of Energy and Environmental Affairs (EOEEA) has floated two straw proposals (available here) outlining conceptual frameworks to update the 2021...more

Holland & Knight LLP

Breaking Down the Section 45V Clean Hydrogen PTC Proposed Regulations

Holland & Knight LLP on

The U.S. Department of the Treasury and the IRS on Dec. 22, 2023, released proposed regulations regarding the production tax credit (PTC) for hydrogen under Section 45V of the Internal Revenue Code, as enacted by the...more

Troutman Pepper Locke

EPA Revises HFC Rule for Refrigeration and Air Conditioning Products

Troutman Pepper Locke on

On December 26, 2023, the U.S. Environmental Protection Agency (EPA) published an Interim final rule updating its October final rule restricting the use of some hydrofluorocarbons (HFCs), a key substance used in refrigeration...more

Brownstein Hyatt Farber Schreck

EPA Proposes Significant Revisions to GHG Reporting Requirements in Subpart W

When the Environmental Protection Agency (EPA) launched the Greenhouse Gas Reporting Program (GHGRP) in 2009, the objective was to collect and publicly report greenhouse gas emissions data across certain industries. Through...more

Foley Hoag LLP - Environmental Law

Proposed NEPA Rules Address Climate Change, Environmental Justice, and Efficiency of Environmental Reviews

On July 28, 2023, the Council on Environmental Quality (CEQ) proposed reforms to the National Environmental Policy Act (NEPA) regulations governing how federal agencies review the environmental effects of major federal...more

Troutman Pepper Locke

EPA’s New Carbon Standards for Power Plants Require Quick Decisions

Troutman Pepper Locke on

EPA’s long-promised rules for reducing CO2 emissions from fossil fuel-fired power plants have now been published. In the proposal, EPA lays out “performance standards” for new natural gas-fired power plants and “emission...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

Hinshaw & Culbertson LLP

Louisiana Takes Major Step Towards Administering Class VI Geologic Wells for Carbon Sequestration Use

Louisiana Takes Major Step Towards Administering Class VI Geologic Wells for Carbon Sequestration Use - Louisiana's quest for primacy over its Class VI well program took a big step forward last Friday when the United...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

Foley Hoag LLP - Energy & Climate Counsel

EPA’s Proposed RFS Rule: Impacts on Biogas and RNG

Last month’s proposed rulemaking for the Renewable Fuel Standard (“RFS”) from the Environmental Protection Agency (“EPA”) proposed significant changes to the RFS Program, which we summarized in a prior post. One of the major...more

Jenner & Block

Proposed Fugitive Emissions Amendments Bring Clarity to Major Source Permitting Requirements

Jenner & Block on

On October 14, 2022, the United States Environmental Protection Agency (USEPA) published proposed revisions to the Clean Air Act’s New Source Review (NSR) permitting regulations. The proposal seeks to repeal specific 2008...more

Bergeson & Campbell, P.C.

EPA Issues Proposed Rule On The RFS Program

On April 18, 2022, EPA announced the opportunity for public comment on its proposed analysis of the lifecycle greenhouse gas (GHG) emissions associated with biofuels produced from canola/rapeseed oil. EPA’s assessment...more

Morgan Lewis - Power & Pipes

EPA Proposes Rule to Reduce Greenhouse Gas Emissions

The US Environmental Protection Agency (EPA) recently issued a proposed rule under the Clean Act intended to reduce emissions of greenhouse gases (GHGs) and air pollutants from crude oil and natural gas operations...more

Jones Day

EPA Proposes Methane Emission Regulation for Existing Oil and Gas Production

Jones Day on

After years of attempts with varying success to regulate methane emissions from new oil and gas wells, the Biden administration has shifted strategy in proposing a regulatory program covering both new and existing oil and...more

Dorsey & Whitney LLP

U.S. EPA Proposes New Emissions Guidelines to Reduce Methane from the Oil and Gas Industry

Dorsey & Whitney LLP on

On November 2, 2021, the U.S. Environmental Protection Agency (“EPA”) issued a proposed rule that is intended to significantly reduce emissions of greenhouse gases (“GHGs”) and other air pollutants from the crude oil and...more

Eversheds Sutherland (US) LLP

EPA’s proposal to rescind GHG and VOC standards 

On August 28, the US Environmental Protection Agency (EPA) released a proposed rulemaking that would remove certain natural gas and oil storage and transmission facilities from existing air emissions standards governing...more

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