Podcast - Diamond Alternative Energy, LLC v. EPA: The Intersection of Constitutional and Environmental Law
SCOTUS Clean Air Act Cases: What’s New?
Unpacking California's 2024 Zero Emission Fleet Mandate
West Virginia vs. EPA Part II: U.S. Supreme Court Applies the Major Questions Doctrine to limit EPA Regulatory Authority
[Webinar] Growing Greener: Navigating Environmental Laws in the Cannabis Industry
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
Law Prof: The Clean Air Act Needs a Reboot
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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