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 June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more
Truck engine maker Cummins Inc. has agreed in principle to pay a $1.675 billion civil penalty for installing devices on hundreds of thousands of engines to allow them to emit excess pollution. According to the U.S. Department...more
The United States Environmental Protection Agency (“EPA”) announced it is proposing to retain the current Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for particulate matter (“PM”). The PM standard includes...more
The Tennessee Air Pollution Control Board (“TACB”) issued a March 4th Technical Secretary’s Order and Assessment of Civil Penalty (“Order”) addressing an alleged air permit violation by State Industries, LLC (“State”). See...more
The U.S. Environmental Protection Agency (“EPA”) Office of Inspector General (“OIG”) issued a March 25th Notification of Evaluation titled: Status of Clean Air Act State Implementation Plan Submittals and Approvals...more
In November, Democrats won control of the House of Delegates and kept control over the Commonwealth’s Senate. Now, Democrats control both the Executive and Legislative branches of government in the Commonwealth of Virginia....more
Since 1995, EPA has followed a policy that any air emissions source that emits one or more hazardous air pollutants (“HAPs”) above major source emissions thresholds is always considered a major source of HAPs. This is so even...more
On January 25, 2018, the Environmental Protection Agency (EPA) withdrew its longstanding but controversial “once in, always in” policy that a “major source” of hazardous air pollutants (HAP) was forever locked into “major...more
Seyfarth Synopsis: In another example of business-friendly regulatory agency actions, the U.S. Environmental Protection Agency has just rescinded the “Seitz Memo” associated with the “Once In, Always In” policy affecting the...more