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Regulatory Agenda Clean Air Act Trump Administration

Haynes Boone

EPA Proposes Repeal of Legal Foundation for Greenhouse Gas Rules

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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

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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

Jones Day

EPA Proposes Repeal of 2024 Mercury and Air Toxics Standards Amendments

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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

Saul Ewing LLP

EPA Proposing Wide-Ranging Regulatory Revamp

Saul Ewing LLP on

The Trump administration has declared March 12, 2025, as “the greatest and most consequential day of deregulation in the history of the United States.” United States Environmental Protection Agency Administrator, Lee Zeldin,...more

Jones Day

EPA Announces Historic Deregulation

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On March 12, 2025, the Environmental Protection Agency ("EPA") issued a flurry of press releases announcing its plan to rollback dozens of Biden-era, as well as earlier, environmental regulations. This historic move is part...more

Womble Bond Dickinson

A Big Day at EPA - Agency Announces Reconsideration of 31 Major Agency Actions

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On February 29, 2025, President Trump issued an executive order requiring agencies to identify suspect regulations for regulatory roll back within 60 days. ...more

McGlinchey Stafford

Manufacturer’s EPA Compliance Audits: Regulatory Expectations Under Trump 2.0

McGlinchey Stafford on

The regulatory landscape likely to characterize President Donald Trump’s second term will create important implications for conducting U.S. Environmental Protection Agency (EPA) compliance audits within the manufacturing...more

Eversheds Sutherland (US) LLP

Key environmental issues facing the Trump administration

The Biden administration introduced wide-ranging environmental regulations with profound and far-reaching effects on the environment and the economy. In its first two weeks, the Trump administration has signaled an attempt...more

Fox Rothschild LLP

President Trump's New EPA Administrator Unveils Agency's New Priorities

Fox Rothschild LLP on

Amid uncertainty over future staffing and funding levels, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced a new priority list for the agency titled the “Powering the Great American Comeback...more

Wiley Rein LLP

Trump Administration Requests Pauses in Several Supreme Court Cases to Reconsider Biden Administration Policies

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On January 24, 2025, the Trump Administration asked the U.S. Supreme Court to pause briefing in several cases on the current merits docket. In making the request, Acting Solicitor General Sarah Harris explained that the new...more

Jenner & Block

Client Alert: Key Energy and Environmental Takeaways from Trump’s Early Executive Orders

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In his first week in office, President Trump issued a series of executive orders that touched on energy and the environment. These orders are likely to significantly alter the makeup and actions of the executive branch for...more

DLA Piper

US auto and transportation policy at an inflection point: A tale of two transportation trajectories?

DLA Piper on

January 2025 – including the first 10 days of Donald Trump’s second term as President of the United States – likely marks the beginning of substantial changes in federal transportation law and regulation, including a number...more

Holland & Knight LLP

Impacts of a Trump EPA on Chemical Transporters' Reliance on In-Transit Exemptions

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The global bulk chemical shipping industry relies on chemical transportation depots to be responsive to market demands by temporarily holding trailers and containers of chemical products en route to their final destinations...more

BakerHostetler

Regulating Automotive Emissions: Part V - The Future of Mobile Source Enforcement

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Previously we’ve reviewed overarching expectations of the second Trump Administration, how the Trump Administration will act on California’s emissions waivers, the steps the Trump Administration is likely to take with respect...more

Venable LLP

How the Congressional Review Act May Shape Environmental Rulemaking and Guidance

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Now that the 119th Congress has been sworn in, attention turns to how the Republican-controlled House, Senate, and White House will use the Congressional Review Act (CRA). The CRA creates a review period in which Congress can...more

Holland & Knight LLP

The Impact of a Trump EPA on California's Mobile Source Rules

Holland & Knight LLP on

Under Clean Air Act (CAA) Section 209(a) (42 U.S.C. § 7543), states are preempted from adopting or enforcing emissions standards for new motor vehicles or new motor vehicle engines. However, because California had adopted its...more

Seyfarth Shaw LLP

EPA-pocalypse Now!

Seyfarth Shaw LLP on

Seyfarth Synopsis: A second Trump administration is likely to bring sweeping changes to environmental regulatory and enforcement agendas. During the first Trump term, his administration focused on significant deregulation in...more

BakerHostetler

Regulating Automotive Emissions: Part II - The Future of California’s Emissions Waivers

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In November 2019, President-elect Donald Trump’s first administration’s withdrawal of California’s emissions waiver went into effect. ...more

Stinson LLP

Trump's First 100 Days: Environmental

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At a high level, President-elect Trump is expected to issue executive orders to pause pending rules, use the Congressional Review Act to withdraw recently finalized rules, and halt agency activity while the administration...more

BakerHostetler

Regulating Automotive Emissions: Part I - What to Expect Under the Second Trump Administration

BakerHostetler on

On the day of his inauguration, President Joe Biden issued a historic number of executive orders, several of which focused on overturning actions taken by the Trump Administration’s Environmental Protection Agency (EPA). We...more

Pillsbury Winthrop Shaw Pittman LLP

Trump 2.0: White House and Congressional Republicans Poised to Use the Congressional Review Act for Swift Regulatory Rollback

With unified control of Congress and the White House, Republicans are primed to use the CRA to swiftly overturn regulations promulgated in the final months of the Biden Administration. The Congressional Review Act (CRA)...more

DarrowEverett LLP

The Future of U.S. Environmental Regulation: What to Expect in 2025

DarrowEverett LLP on

While still a newly minted lawyer early in 1977, I had the good fortune to land a job with the then brand-new Rhode Island Department of Environmental Management. This coincided with the 1976 election of Jimmy Carter as...more

Akin Gump Strauss Hauer & Feld LLP

Tearing Down Trump’s Environmental Wall: Justice Department Ditches Impediments to Effective Enforcement

Late last week, the Justice Department withdrew nine Trump-era policy and guidance documents that shaped how the Department’s Environment and Natural Resources Division (ENRD) enforced environmental law during the past...more

Pillsbury Winthrop Shaw Pittman LLP

EPA-California Legal Showdown Looms Over Authority to Regulate Carbon

Multi-state coalition’s lawsuit challenges Trump EPA withdrawal of California Clean Air Act waiver. EPA formally announced its decision to withdraw California’s 2013 Clean Air Act waiver, which allowed the state to set its...more

(ACOEL) | American College of Environmental...

NSR Regulatory Reform—the saga continues

In 2002, EPA promulgated a Clean Air Act new source review (NSR) “reform rule” to clarify the confusion created by inconsistent guidance and judicial decisions on NSR applicability.  That clarification effort had only limited...more

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