The Legal and Practical Challenges of California's Advanced Clean Fleets Regulation
Nota Bene Episode 101: Catching up with Global Climate Regulation with Nico van Aelstyn
Schoenbrod: SCOTUS Ruling Helps EPA Deal With a "Stupid Statute"
The U.S. Environmental Protection Agency (EPA) proposes to eliminate greenhouse gas regulations for power plants after concluding that power plants do not "contribute significantly" to dangerous air pollution or,...more
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
The Association of Air Pollution Control Agencies ("AAPCA") issued the 2025 edition of its annual report titled: State Air Trends & Successes ("Report")....more
In what it called “the greatest and most consequential day of deregulation in U.S. history,” the Environmental Protection Agency (EPA) announced its most expansive deregulatory initiative to date on March 12, 2025. Through a...more
The U.S. Environmental Protection Agency (EPA) proposed new standards on November 22, 2024, to significantly tighten nitrogen oxides’ (NOx) emission limits from fossil fuel-fired stationary combustion turbines. These proposed...more
The Mississippi Commission on Environmental Quality (“MCEQ”) and Hood Industries, Inc. (“Hood”) entered into a November 12th Agreed Order (“AO”) addressing an alleged violation of a Clean Air Act Title V Operating Permit...more
On October 11, 2024, the Environmental Protection Agency (EPA) published its latest rule in a suite of measures to address hydrofluorocarbons (HFCs) under the American Innovation and Manufacturing (AIM) Act....more
The U.S. Environmental Protection Agency (EPA) has finalized regulations impacting a large swath of refrigeration and cooling equipment industries. The new regulations are the most recent EPA action addressing the use of...more
REGULATORY ISSUES & UPDATES - Recent Evolution of the European Regulatory Framework on Greenwashing - Two new Directives adopted by the EU in 2024—the "Empowering Consumers Directive" and the "Green Claims...more
The Biden-Harris Administration recently issued a suite of new rules aimed at addressing water and air quality, reducing methane emissions, protecting environmental justice communities, and accelerating the nation’s...more
The Environmental Protection Agency issued a final rule on March 14 that will require significantly reduced emissions from commercial facilities that sterilize medical devices and other equipment using ethylene oxide gas...more
On Tuesday, in Ohio v. EPA, the D.C. Circuit Court of Appeals denied several challenges to EPA’s decision to restore California’s authority under § 209(b) of the Clean Air Act to regulate emissions from motor vehicles. It’s...more
The U.S. Environmental Protection Agency ("EPA") finalized the strictest-ever emission standards for heavy-duty vehicles. On March 29, 2024, EPA announced new emission standards for heavy-duty vehicles for model years 2027...more
California Attorney General (AG) Rob Bonta and the California Air Resources Board (the Board) have reached a $46 million agreement with engine manufacturer Cummins Inc. to settle alleged violations of California’s engine...more
Exercising one of its most important and far-reaching powers under the Clean Air Act, the Environmental Protection Agency (EPA) has lowered the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate...more
As discussed in our earlier Client Alerts, California recently passed several laws requiring certain climate-related corporate disclosures, including, for example, regarding emissions and climate-related financial risk. As...more
The first three quarters of 2023 have seen an unprecedented number of rulemakings under the Clean Air Act. The Biden administration has released a new suite of proposed rulemakings with a particular focus on climate change...more
After Held v. Montana was decided, and I read Peter Vetere’s blog post, I’ve been thinking about the Massachusetts Constitution. Would Massachusetts’ youth have similar success arguing for a guaranteed safe, clean...more
California has been pushing hard recently to lose its status as the second-largest contributor of the nation’s greenhouse gases (still comfortably behind Texas.) ...more
Need a refresher on key developments in 2022 to prepare you for what’s next in 2023? Here’s a rundown of some high-profile happenings, along with some you might have missed....more
The Tel Aviv District Court recently allowed a motion to certify a class action against the Volkswagen Group and its importer in Israel, Champion Motors Ltd. The class action focuses on the Dieselgate scandal, after an...more
Late last month, the D.C. Circuit Court of Appeals heard oral arguments in Midwest Ozone Group v. EPA, the latest challenge to the Environmental Protection Agency’s (EPA) Cross-State Air Pollution Rule (CSAPR). The Good...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
Citing a lack of standing and no final agency action, the US Court of Appeals for the DC Circuit dismissed the petition of an association representing businesses that make and sell aftermarket racing parts seeking review of a...more
In June 1989, then-President George H. W. Bush proposed revisions to the Clean Air Act designed to reduce what were perceived as three of the largest threats to the environment at the time: toxic air emissions, acid rain, and...more