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 11, 2025, the U.S. Environmental Protection Agency ("EPA") announced a proposed rule to repeal key amendments to the 2024 Mercury and Air Toxics Standards ("MATS") for coal- and oil-fired electric utility steam...more
On June 11, 2025, the U.S. Environmental Protection Agency ("EPA") issued a proposed rule to repeal all greenhouse gas ("GHG") emissions standards for fossil fuel-fired electric generating units ("EGUs") under § 111 of the...more
The Clean Air Act (CAA) requires the U.S. Environmental Protection Agency (EPA) to determine the applicable volume requirements for the Renewable Fuel Standard (RFS) for years after those specified in the statute. On June 17,...more
On July 21, 2023, the Environmental Protection Agency published a final rule eliminating an affirmative defense for Clean Air Act permit emissions violations caused by “emergency” circumstances. “Major sources” (i.e....more
EPA’s long-awaited proposal would set aggressive emission reduction targets with many different approaches and timelines to achieve them. On May 11, 2023, the US Environmental Protection Agency (EPA) released its...more
On April 12, 2023, the Environmental Protection Agency (EPA) issued the notice of proposed rulemaking for “Multi-Pollutant Emission Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles” (the “proposed...more
The US Environmental Protection Agency recently proposed a rule change that would formally repeal a 2008 rule and require all existing major industrial facilities to include “fugitive” emissions in preconstruction evaluations...more
The U.S. Environmental Protection Agency (EPA) has proposed to further amend its Clean Air Act Risk Management Program (RMP) rules and has issued a proposed rule. 87 Fed. Reg. 53556 (August 31, 2022). The proposed rule would...more
On November 15, 2021, the Environmental Protection Agency (“EPA”) published a proposed rule that included three separate actions under the Clean Air Act that target new and existing air emission sources at oil and natural gas...more
The Arkansas Department of Environmental Quality (“ADEQ”) submitted October 31st comments to the United States Environmental Protection Agency (“EPA”) on its proposed rule: Emission Guidelines for Greenhouse Gas Emissions...more
Introduction - As we have previously reported, on August 21, 2018, the U.S. Environmental Protection Agency (“EPA”) proposed to replace the Obama Administration’s Clean Power Plan (“CPP”) with the Affordable Clean Energy...more
The National Association of Clean Air Agencies (“NACAA”) submitted October 4th comments to the United States Environmental Protection Agency (“EPA”) on its proposed National Emission Standards for Hazardous Air Pollutants...more
Outlined in an Environmental Protection Agency ("EPA") proposal published on August 31, 2018, the Affordable Clean Energy ("ACE") rule would replace the Obama Administration's Clean Power Plan ("CPP"). A 60-day public comment...more
Earlier this week, on August 21, President Trump’s Environmental Protection Agency (“EPA”) proposed a rule pursuant to Section 111(d) of the Clean Air Act (“CAA”) intended to replace the embattled Clean Power Plan (“CPP”)...more
The U.S. Environmental Protection Agency (EPA) released an Advanced Notice of Proposed Rulemaking (ANPR) on Dec. 18, 2017, soliciting comments on its intention to propose a replacement rule for the Clean Power Plan (CPP). The...more