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Clean Air Act Environmental Policies Environmental Protection Agency (EPA)

Allen Matkins

White House Aims To Accelerate Environmental Permitting For Data Centers

Allen Matkins on

On July 23, 2025, the White House issued an Executive Order titled “Accelerating Federal Permitting of Data Center Infrastructure.” Released alongside “America’s Artificial Intelligence (AI) Action Plan,” the Order reflects a...more

Williams Mullen

Everything Old is New Again: Actual Emissions are No Longer Enforceable Under NSR Permitting

Williams Mullen on

EPA is withdrawing the proposed rule titled ‘‘Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR): Regulations Related to Project Emissions Accounting’’ published in the Federal Register...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

Morgan Lewis

US Supreme Court Clarifies Venue Rules Under the Clean Air Act

Morgan Lewis on

The US Supreme Court in EPA v. Calumet Shreveport clarified where challenges to certain US Environmental Protection Agency actions under the Clean Air Act must be filed. The Court split the difference between competing...more

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

Title V/Clean Air Act: Center for Biological Diversity Petition to Object Addressing Weld County, Colorado Oil and Gas Production...

The Center for Biological Diversity (“CBD”) filed a June 27th Title V Petition to Object (“Petition”) before the Administrator of the United States Environmental Protection Agency ("EPA”) related to the Anschutz Equus Farms...more

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

Maryland Offshore Wind Project/New Source Review: U.S. EPA Environmental Appeals Board Challenge Filed

The Mayor and City Council of Ocean City and the Commissioners of Worcester County, Maryland (collectively, “Petitioners”) filed on July 8th before the United States Environmental Protection Agency’s Environmental Appeals...more

Holland & Knight LLP

Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law

Holland & Knight LLP on

In this episode of our "An Energized Exchange" podcast series, presented by the Energy & Natural Resources Industry Sector Group, attorneys Zach Pilchen, Brian Bunger and Rafe Petersen discuss the U.S. Supreme Court's...more

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

Title V/Clean Air Act: Center for Biological Diversity Petition to Object Filed Addressing La Paz County, Arizona Gold Mine

The Center for Biological Diversity (“CBD”) filed a June 6th Petition to Object addressing the Bonanza Explorations’, Inc. Clean Air Act Title V Permit renewal.’ The Petition objects to the renewal of a Title V Operating...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

Jenner & Block

California Vehicle Waiver: Congressional Review Act Showdown

Jenner & Block on

The Congressional Review Act (“CRA”), enacted in 1996, allows Congress to disapprove federal regulations promulgated by government agencies within 60 legislative working days after the rule is submitted to Congress. In order...more

Allen Matkins

California Environmental Law & Policy Update 6.13.25

Allen Matkins on

The U.S. Environmental Protection Agency (EPA) moved this Wednesday to erase limits on greenhouse gases from power plants and to weaken restrictions on other hazardous power plant emissions, including mercury, arsenic, and...more

Holland & Knight LLP

EPA Proposes Significant Budget Reduction for Fiscal Year 2026

Holland & Knight LLP on

The U.S. Environmental Protection Agency's (EPA) budget proposal for fiscal year (FY) 2026 fundamentally reimagines the federal government's role in environmental policy and regulation. If enacted by Congress, EPA's budget...more

Hogan Lovells

Senate effectively blocks California’s “EV Mandate” and related waivers using Congressional Review Act

Hogan Lovells on

On May 22, 2025, the Senate passed several joint resolutions to disapprove the Environmental Protection Agency’s (EPA’s) Clean Air Act (CAA) waiver of preemption for California’s Advanced Clean Cars II (ACC II), Advanced...more

Womble Bond Dickinson

EPA Reconsiders Air Regulations Amid a Major Reorganization of the Air Office

Womble Bond Dickinson on

The EPA’s Office of Air and Radiation (“OAR”), responsible for most of the EPA’s major air regulatory and policy efforts, will be restructured in the months to come. This shakeup comes on the heels of the EPA’s announcement...more

BCLP

Presidential Memorandum Directing Agencies to Repeal Environmental Regulations

BCLP on

On April 9, 2025, President Trump directed federal agencies to repeal certain categories of regulations in his memorandum entitled Directing the Repeal of Unlawful Regulations (“Memorandum”). In this Memorandum, President...more

Allen Matkins

California Environmental Law & Policy Update 5.2.25

Allen Matkins on

The White House Council on Environmental Quality (CEQ) circulated a draft template, dated April 8, 2025, to assist federal agencies in updating their procedures for implementing the National Environmental Policy Act (NEPA)....more

Vorys, Sater, Seymour and Pease LLP

Why Ohio Businesses Should Continue Environmental Compliance Efforts Amid Federal Shifts

Why Ohio businesses should continue environmental compliance efforts amid federal shifts - During the first Trump administration, federal regulatory policies experienced significant changes under a policy of pro-industry...more

Pillsbury - Gravel2Gavel Construction & Real...

Environmental Update: Regulatory Notes – April 2025

April has proven a busy month for environmental issues when it comes to the regulatory arena. Below are just a few of the notable developments:...more

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

PM 2.5/Clean Air Act: Environmental Organizations Joint Letter to U.S. EPA Opposing Revisiting NAAQS

One hundred environmental organizations transmitted an April 21st letter to the United States Environmental Protection Agency (“EPA”) Administrator asking that the federal agency: …maintain and promptly implement a vital,...more

BCLP

PFAS Air Emissions Restrictions

BCLP on

When evaluating legal risk relating to per- and polyfluoroalkyl substances (“PFAS”), most businesses typically consider wastewater, groundwater, or soil impacts, not air emissions. However, state and federal regulatory...more

Snell & Wilmer

EPA Steps Back, Arizona Moves Forward

Snell & Wilmer on

In a significant development for Arizona’s business community and environmental policymakers, the U.S. Environmental Protection Agency (EPA) has paused its planned reclassification of Maricopa County from “Moderate” to...more

Williams Mullen

Exceptional Events Part of North Carolina Particulate Air Quality Attainment Designation

Williams Mullen on

Effective May 2024, EPA tightened the annual health-based National Ambient Air Quality  Standard (NAAQS) for fine particulate matter (PM2.5) from 12.0 µg/m3 to 9.0 µg/m3. This change was made after a review of the available...more

Verrill

Implications of Trump Executive Orders for Massachusetts Environmental Justice Programs 

Verrill on

On the first day of his Presidency, among 26 other Executive Orders that day, Donald Trump issued his Unleashing American Energy Executive Order rescinding President Biden’s Executive Order 14096 of April 21, 2023...more

Hanson Bridgett

Trucks, Trains, and Automobiles: Untangling the Status of California’s Vehicle Emission Waivers

Hanson Bridgett on

Vehicle manufacturers and operators in California are no stranger to complex regulations, with the California Air Resources Board’s (CARB) history of pioneering mobile emission regulations. ...more

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