News & Analysis as of

California Environmental Protection Agency (EPA) Clean Air Act

Nelson Mullins Riley & Scarborough LLP

FTC Closes Antitrust Investigation Into Pact Between Truck OEMs and California Regulators

On August 12, 2025, the Federal Trade Commission (FTC) announced it had closed its investigation into possible antitrust violations by four truck manufacturers and their trade association by entering into the Clean Truck...more

Baker Donelson

Endangerment Finding Reconsidered as Clean Air Waivers Are Targeted

Baker Donelson on

California's unique ability to set its own vehicle emissions standards under Section 209(b) of the Clean Air Act (CAA) is facing unprecedented legal and political challenges. At the center of the controversy is Congress's...more

Alston & Bird

Change is in the Air for Greenhouse Gas Vehicle Emissions Standards

Alston & Bird on

Our Environment, Land Use & Natural Resources Group examines recent federal actions that may reshape federal greenhouse gas (GHG) vehicle emissions standards as well as California’s and other states’ authority to set and...more

Allen Matkins

California Environmental Law & Policy Update 8.1.25

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The U.S. Environmental Protection Agency (EPA) on July 29 proposed to repeal its landmark finding that greenhouse gas emissions endanger public health. The EPA’s so-called endangerment finding, issued in 2009, is a formal...more

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

112(r)/Air Enforcement: U.S. Environmental Protection Agency and Santa Ana, California Chemical Supplier Enter into Expedited...

The United States Environmental Protection Agency (“EPA”) and Gallade Chemical, Inc. (“GCI”) entered into a July 11th Expedited Settlement Agreement (“ESA”) addressing alleged violations of the regulations implementing...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

Allen Matkins

California Environmental Law & Policy Update 6.13.25

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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

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

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

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

K&L Gates LLP

Litigation Minute: Emerging Contaminants: What's on the Horizon?

K&L Gates LLP on

What You Need to Know in a Minute or Less - Emerging contaminants are synthetic or natural chemicals that have not been fully assessed from a health or risk perspective and are reportedly finding their way into consumer...more

Morrison & Foerster LLP

Advanced Clean Fleets Regulations No Longer in Force for Most Fleet Operators and Owners

In the face of the Trump administration’s hostility toward California’s Clean Air Act waivers in general, CARB withdrew its request to EPA for a waiver for the Advanced Clean Fleets (ACF) regulation on January 13, 2025....more

Allen Matkins

California Environmental Law & Policy Update 2.21.25

Allen Matkins on

The Trump administration is taking steps to challenge California’s authority to set stricter vehicle emissions standards by targeting state rules that mandate the sale of zero-emission vehicles (ZEVs). Last Friday, U.S....more

Allen Matkins

California Environmental Law & Policy Update 2.7.25

Allen Matkins on

Newly-appointed U.S. Attorney General Pam Bondi wrote in a memo this Wednesday that the Justice Department will reverse a Biden-era directive to prioritize enforcement of environmental laws in disadvantaged and low-income...more

Allen Matkins

California Environmental Law & Policy Update 1.31.25

Allen Matkins on

The Trump administration has asked the U.S. Supreme Court to pause its review of a case involving California’s stricter vehicle emissions and electric vehicle standards. Acting Solicitor General Sarah Harris filed the request...more

Goldberg Segalla

California Withdraws EPA Waiver Request for Zero-Emission Advanced Clean Fleet Regulations

Goldberg Segalla on

California’s Air Resources Board (CARB) on Jan. 13 sent a letter to withdraw its request to the Environmental Protection Agency pursuant to Sections 209(b) of the Clean Air Act (CAA) for a federal waiver that would require...more

Allen Matkins

California Environmental Law & Policy Update 1.17.25

Allen Matkins on

On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the U.S. Environmental Protection Agency (EPA) needed to support four recently adopted vehicle emissions regulations: 1) the Advanced...more

Allen Matkins

California Withdraws Clean Air Act Waiver Requests for Vehicle Emissions Standards

Allen Matkins on

On Monday, January 13, 2025, California withdrew requests for Clean Air Act waivers from the EPA needed to support four recently adopted vehicle emissions regulations: 1) the Advanced Clean Fleets Regulations; 2) the In-Use...more

Foley & Lardner LLP

Pumping the Brakes? Outlook for State and Federal Vehicle, Engine, and Equipment Emissions Standards

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Share on Twitter Print Share by Email Share Back to top With the start of the second Trump administration just over a week away, there are many uncertainties with respect to how the new administration will regulate vehicle,...more

Blank Rome LLP

SCOTUS Declines to Review California’s Clean Air Act Preemption Waiver—Current Implications and Expected Response from the...

Blank Rome LLP on

Update and Background - The U.S. Supreme Court, in Diamond Alternative Energy, LLC v. EPA, et al, recently declined to review whether the Environmental Protection Agency (“EPA”) exceeded its authority by granting a...more

Goldberg Segalla

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

Goldberg Segalla on

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

Allen Matkins

California Environmental Law & Policy Update 11.22.24

Allen Matkins on

In a settlement approved by the San Diego Regional Water Quality Control Board on November 13, the City of Oceanside agreed to pay a $1.5 million fine for two separate spills that sent raw sewage into the Buena Vista Creek...more

King & Spalding

EPA Approves Indirect Source Rule to Reduce Emissions from Warehouses in Southern California Air District, Potentially Paving the...

King & Spalding on

On September 11, 2024, the U.S. Environmental Protection Agency (“EPA”) approved under the Clean Air Act (“CAA”) an indirect source rule that is intended to reduce emissions associated with warehouses located within the South...more

Cozen O'Connor

Republican AGs Urge EPA to Block CA’s Clean Fleets Regulation

Cozen O'Connor on

A group of 24 Republican AGs submitted comments urging the EPA to deny California’s request for a preemption waiver for its Advanced Clean Fleets Regulation, which requires certain vehicle fleets to incorporate zero-emitting...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

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