News & Analysis as of

Regulatory Reform California Environmental Protection Agency (EPA)

Allen Matkins

California Environmental Law & Policy Update 8.1.25

Allen Matkins on

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

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

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 5.16.25

Allen Matkins on

The U.S. Environmental Protection Agency (EPA) will rescind much of the Biden administration’s first nationwide drinking water standard aimed at protecting people from PFAS, which are found in hundreds of consumer and...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

ArentFox Schiff

EPA Considering Rule That Could Eventually Preempt State Bans on PFAS

ArentFox Schiff on

According to an anonymous US Environmental Protection Agency (EPA) employee, the agency is considering whether to propose a rule that would require the agency to reevaluate the health and environmental risks of certain...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

Vinson & Elkins LLP

Outlook on the New Administration: What’s Next for Renewable Fuels?

Vinson & Elkins LLP on

If past is prologue, while the second Trump administration is expected to take a number of actions that could lead to increased volatility with respect to renewable identification number (“RIN”) prices just as the first did,...more

Jones Day

U.S. Supreme Court Limits EPA Clean Water Act Permitting Authority

Jones Day on

On March 4, 2025, the Supreme Court of the United States issued its decision in City & County of San Francisco v. Environmental Protection Agency and clarified the U.S. Environmental Protection Agency's ("EPA") and state...more

Kelley Drye & Warren LLP

Supreme Court Strikes Down ​“End-Result” Requirements in NPDES Permits

On March 4, 2025, the U.S. Supreme Court issued a ruling that prohibits the U.S. Environmental Protection Agency (“EPA” or ​“the Agency”) from setting qualitative limits based on the condition of the ​“receiving waters” that...more

Allen Matkins

California Environmental Law & Policy Update 3.7.25

Allen Matkins on

On Tuesday, in a 5-4 opinion authored by Justice Samuel Alioto, the U.S. Supreme Court issued a pivotal ruling that the Clean Water Act (CWA) provisions authorizing the U.S. Environmental Protection Agency (EPA) to impose...more

DLA Piper

Trump Transition: Updates and Impacts on the Environmental and Regulatory Landscapes

DLA Piper on

The first month of President Donald Trump’s second term has seen a flurry of Executive Orders (EOs) impacting a swath of agencies, departments, and legislation. The environmental sector has been a particular focus of these...more

Sheppard Mullin Richter & Hampton LLP

California Climate Change Legislation, Policy and Regulation – 2023 in Review

As we enter 2024, we once again review the most significant legislation, policy changes and regulatory actions with respect to climate change taken by California in the past year. In contrast to 2022, which brought a revamp...more

MG+M The Law Firm

California Adds PFAS to List of Chemicals Subject to Prop 65 Enforcement Actions

MG+M The Law Firm on

California has just added per- and poly-fluoralkyl substances (PFAS) to the list of chemicals requiring consumer warnings under Proposition 65, meaning that state residents can soon expect to see the words “cancer” and...more

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