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Waivers Greenhouse Gas Emissions

Benesch

Trump’s Emissions Rollback: What Motor Carriers & Private Fleets Must Know

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President Trump took steps to dismantle California’s vehicle emissions standards on June 12, 2025, by signing three Congressional Review Act (“CRA”) resolutions revoking California’s waiver under the Clean Air Act. The waiver...more

Jenner & Block

California Vehicle Waiver: Congressional Review Act Showdown

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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

Holland & Knight LLP

Up in the Air: Congress Nullifies Clean Air Act Waivers for California

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In the weeks since Holland & Knight previously reported on challenges to California's Clean Air Act (CAA) preemption waivers on April 30, 2025, Congress has taken decisive action. Following the U.S. House of Representatives'...more

Holland & Knight LLP

Up in the Air: Challenges to California's Clean Air Act Preemption Waiver

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When it comes to regulating motor vehicle emissions, California has long been different. California was the first state in the nation to enact tailpipe emission standards and as result of its "pioneering" efforts in the...more

Holland & Knight LLP

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

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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

Akin Gump Strauss Hauer & Feld LLP

This Week's Climate Policy Update | December 15 - December 21, 2024 #2

Good morning! This is Akin’s newsletter on climate change policy and regulatory developments, providing information on major climate policy headlines from the past week and forthcoming climate-related events and hearings...more

Goldberg Segalla

SCOTUS Declines to Review EPA’s Authority on California’s Vehicle Emission Standards

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In a significant development for environmental law and state autonomy, the Supreme Court of the United States (SCOTUS) recently declined to review whether the U.S. Environmental Protection Agency (EPA) has the authority to...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

BakerHostetler

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

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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

King & Spalding

The Trifecta: What to Expect from a Second Trump Administration and a Republican Congress

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Republicans have swept the 2024 elections, returning Donald Trump to the White House as the 47th President and flipping the Senate to a Republican majority. Having narrowly maintained control of the House of Representatives,...more

Alston & Bird

California’s Advanced Clean Fleets Regulation Under Attack

Alston & Bird on

California’s ambitious zero-emission, heavy-duty truck regulations face new legal challenges. Our Environment, Land Use & Natural Resources Group outlines the status of California’s Advanced Clean Fleet (ACF) Regulation,...more

Foley & Lardner LLP

The Rubber Meets the Road on State and Federal Vehicle Emissions Strategies

Foley & Lardner LLP on

March and April have been busy months for vehicle emission regulation in the U.S. On March 20 and March 29 respectively, the U.S. Environmental Protection Agency (U.S. EPA) issued a set of final emission rules setting...more

Latham & Watkins LLP

CARB Finalizes Zero-Emission Auto Rules

Latham & Watkins LLP on

California continues to push toward its statewide carbon-neutrality goals. On August 25, 2022, the California Air Resources Board (CARB) unanimously approved regulations that require all new 2035 and later passenger...more

ArentFox Schiff

EPA Restores California’s Clean Air Act Waiver, Allowing the State to Set Its Own Motor Vehicle Emissions Standards

ArentFox Schiff on

On March 9, 2022, the US Environmental Protection Agency (EPA) rescinded a rule promulgated by the Trump Administration and revived California’s Clean Air Act waiver, allowing the state to set its own greenhouse gas emissions...more

Morgan Lewis

Environmental Protection Agency Reinstates California Emissions Waiver

Morgan Lewis on

In a move that was telegraphed at the outset of the Biden-Harris administration, the US Environmental Protection Agency announced March 9 that it is reversing a Trump-era decision to revoke California’s authority to set...more

Foley Hoag LLP - Environmental Law

The Other Shoe Drops - EPA Formally Announces Its Reconsideration of the Withdrawal of the California Preemption Waiver

I noted in yesterday’s post about the NHTSA proposal to withdraw the SAFE I Rule that EPA was expected to follow the NHTSA action by restoring the Clean Air Act Section 209 waiver for California’s Advanced Clean Car program....more

Foley Hoag LLP - Environmental Law

The SAFE Rule Is On the Way Out - I Don’t Feel Any Less Safe

Last week, the National Highway Traffic Safety Administration proposed to withdraw Part I of the Trump Administration’s SAFE Rule, in which EPA had concluded that California’s regulation of motor vehicle GHG emissions was...more

Downey Brand LLP

California Air and Climate Vol 18: EPA Waiver to CARB Regarding “Non-Road” Diesel Engine Regulations Upheld; Phasing Out...

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Ninth Circuit Upholds U.S. EPA Waiver to CARB Regarding “Non-Road” Diesel Engine Regulations - On February 10, 2021, the U.S. Court of Appeals for the Ninth Circuit denied a challenge to the U.S. Environmental Protection...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

Sheppard Mullin Richter & Hampton LLP

Politics Trumps Economics? Trump’s Revocation of California’s Waiver Under the Clean Air Act

Yesterday President Trump announced on Twitter that the U.S. was revoking California’s waiver under the Clean Air Act (CAA) which allowed it to impose stricter tailpipe emission standards than the federal ones. California’s...more

Spilman Thomas & Battle, PLLC

Currents - Energy Industry Insights - December 2017

WV DEP Waives Clean Water Act Authority Over Atlantic Coast Pipeline - "The West Virginia Department of Environmental Protection waived the state's authority under the federal Clean Water Act to determine if another major...more

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