News & Analysis as of

Loper Bright Enterprises v Raimondo Clean Air Act Environmental Protection Agency (EPA)

Robinson+Cole Environmental Law +

“Once In, Always In” for Hazardous Air Pollutants: Back to the Grave

After a few decades of uncertainty and “it’s-alive-it’s-dead-it’s-alive” swings, EPA’s “once in, always in” (OI/AI) policy is once again dead. And this time, it seems very dead....more

Foley Hoag LLP - Energy & Climate Counsel

EPA Introduces Rule To Repeal Endangerment Finding

On Tuesday July 29, the U.S. Environmental Protection Agency (“EPA”) announced a proposed rule to repeal its 2009 finding that greenhouse gas (“GHG”) emissions from new motor vehicles contribute to pollution and endanger...more

Williams Mullen

Environmental Notes - July 2025

Williams Mullen on

Is the Once in, Always in Policy Finally Dead? EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to...more

Womble Bond Dickinson

Pulling the Critical Block: EPA’s Repeal of the Endangerment Finding Could Topple Climate Rules

Womble Bond Dickinson on

On Tuesday, EPA proposed to repeal its 2009 Endangerment Finding (Repeal Proposal). That’s a big deal, with expansive implications. The 2009 Endangerment Finding determined six greenhouse gases (GHG) are air pollutants that...more

DLA Piper

EPA Proposes to Rescind Landmark Greenhouse Gas Endangerment Finding and Eliminate Mobile Source Emissions Standards for GHGs

DLA Piper on

Today, August 1, 2025, the US Environmental Protection Agency (EPA) published a controversial proposed rule that, if finalized, would rescind the agency’s landmark 2009 determination that greenhouse gas (GHG) emissions from...more

Foley Hoag LLP - Environmental Law

The 5th Circuit Rejects EPA's Nonattainment Designations in Texas; Don't Blame Loper Bright

On May 16, in Texas v. EPA, the 5th Circuit Court of Appeals rejected EPA’s nonattainment designation for two counties in Texas. What I find most interesting about the case is the reaction to it. Inside EPA (subscription...more

McGlinchey Stafford

5th Circuit Establishes New Standard for EPA on Sulfur Dioxide Omissions

McGlinchey Stafford on

On May 16, 2025, the U.S. Court of Appeals for the Fifth Circuit issued a significant ruling in a longstanding dispute between the Texas Commission on Environmental Quality (TCEQ) and the U.S. Environmental Protection Agency...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

Greenberg Glusker LLP

Beyond Chevron: Courts vs. Agencies in a New Era

Greenberg Glusker LLP on

The legal landscape regarding federal agency authority fundamentally changed in 2024 with the Supreme Court’s decision in Loper Bright Enterprises v. Raimondo. This landmark case dismantles the Chevron deference standard,...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

Pillsbury - Gravel2Gavel Construction & Real...

The 2023 Term of the Supreme Court: Administrative and Regulatory Law Rulings

It is instructive to review the Supreme Court’s record in its most recent term, concentrating on regulatory and administrative law cases, which are usually back-burner issues. But not this term....more

Benesch

Post-Chevron Transportation & Logistics Regulatory Enforcement

Benesch on

The United States Supreme Court recently brought to a close 40 years of “Chevron deference” and its guidance for legal interpretation of certain federal agency decision-making authority. In two instances, the United States...more

ArentFox Schiff

New SCOTUS Case Involving Venue for Clean Air Act Challenges Matters to Your Business

ArentFox Schiff on

While a dispute over the Clean Air Act’s (CAAs) venue provision may seem arcane, a forthcoming US Supreme Court decision will affect core principles of the separation of powers and constitutional due process in ways that may...more

Stoel Rives - Environmental Law Blog

The Chevron Doctrine’s Gone, but the APA Lives On

Many speculated on just how much Loper Bright Enterprises v. Raimondo (Loper Bright) would affect agency rulemaking challenges. Well, the D.C. Circuit is showing that that effect maybe milder than expected. Huntsman...more

Pillsbury Winthrop Shaw Pittman LLP

The End of the Chevron Doctrine and the Reassertion of Judicial Primacy in Reviewing Federal Regulatory Actions

In 1984, the U.S. Supreme Court (SCOTUS) decided Chevron USA, Inc. v. National Resource Defense Council, reversing a lower court ruling that set aside EPA’s Clean Air Act “bubble policy” of providing regulatory relief from...more

Spilman Thomas & Battle, PLLC

Chevron, Energy and the Pivotal Shift

The U.S. Supreme Court recently overturned the Chevron doctrine, a significant legal principle established by Chevron U.S.A., Inc. v. Natural Resources Defense Council. For 40 years, lower courts have relied on the Chevron...more

Quarles & Brady LLP

The Future of Environmental Regulation after the Supreme Court Decisions in Loper Bright and Corner Post

Quarles & Brady LLP on

Just in time to celebrate our Nation’s birthday, the United States Supreme Court brought out its hammer to again chip away at the administrative state in two landmark decisions: Loper Bright Enterprises et al. v. Raimondo,...more

Wiley Rein LLP

SCOTUS Overrules Chevron and Opens Door to More Challenges Under APA: Environmental Law Implications of Loper Bright and Corner...

Wiley Rein LLP on

The U.S. Supreme Court issued two opinions at the end of its term impacting environmental law. In Loper Bright Enterprises v. Raimondo, the Court held that courts must exercise independent judgment when determining if an...more

Dinsmore & Shohl LLP

Admin Law Ain’t Boring Anymore—What You Need to Know about Last Week’s Supreme Court Cases

Dinsmore & Shohl LLP on

Administrative law has long had a reputation for boredom. But three blockbuster cases out of the Supreme Court last week have changed that. Each case is its own game changer, but together, the three cases are a sea change in...more

Proskauer - Regulatory & Compliance

Supreme Court Curtails Agency Power By Overturning Chevron Deference

On June 28, 2024, the U.S. Supreme Court issued a landmark ruling overturning “Chevron deference,” a tool for interpreting ambiguous statutes administered by administrative agencies. The 40-year-old Chevron doctrine held...more

Adams & Reese

In Blow to Federal Agency Powers, SCOTUS Overturns Chevron

Adams & Reese on

On Friday, June 28, 2024, the Supreme Court of the United States reversed decades of increased federal executive agency power by overturning the longstanding deference to agency interpretations of statutes that resulted from...more

ArentFox Schiff

Nine Questions, Nine Answers: The Supreme Court’s Decision Overruling ‘Chevron Deference’

ArentFox Schiff on

On the second-to-last day of its term, the US Supreme Court issued its decisions in Loper Bright Enterprises v. Raimondo and Relentless, Inc. v. Dep’t of Commerce. These decisions overruled Chevron USA. v. National Resource...more

Holland & Hart LLP

Chevron Deference Destined for Change in Loper Bright & Relentless

Holland & Hart LLP on

Practical Guidance: Litigation, Professional Perspective - Chevron Deference Destined for Change in Loper Bright & Relentless - Editor's Note: This Professional Perspective addresses how the US Supreme Court's impending...more

Cranfill Sumner LLP

Chevron Deference to Administrative Agencies Re-examined as the United States Supreme Court Considers Loper Bright Enterprises v....

Cranfill Sumner LLP on

Chevron deference has been a staple of American federal jurisprudence since its implementation in 1984.  The case, Chevron U.S.A., Inc. v. National Resources Defense Council, Inc., 467 U.S. 837, arose from EPA’s adoption of a...more

Brownstein Hyatt Farber Schreck

Chevron Deference on the Chopping Block?

Supreme Court to hear case that could change landmark precedent - Earlier this month, the U.S. Supreme Court announced that during its next term it will hear a case that could overturn Chevron, U.S.A., Inc. v. NRDC, 467...more

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