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 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
In the Byzantine complexity of the Clean Air Act (CAA), EPA’s “once in, always in” policy regarding hazardous air pollutants (HAP) has been particularly confounding. And now it’s back in play, through regulatory revisions...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
On Jan. 5, the U.S. Environmental Protection Agency (“EPA”) published a Final Rule in the Federal Register adding 1-bromopropane (“1-BP”) to the list of hazardous air pollutants (“HAPs”) under Section 112 of the Clean Air Act...more
After years of attempts with varying success to regulate methane emissions from new oil and gas wells, the Biden administration has shifted strategy in proposing a regulatory program covering both new and existing oil and...more
On November 23, 2020, EPA issued a prepublication notice regarding (i) the availability of EPA’s revised enforcement policy for vehicle and engine tampering and aftermarket defeat devices and (ii) EPA’s request for comment on...more
The U.S. Environmental Protection Agency (“USEPA”) announced yesterday that it is proposing to retain the current National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter (“PM2.5?) and course particulate...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
A 2015 EPA rulemaking required 36 states to revise their State Implementation Plans (“SIPs”) to eliminate provisions exempting air emission exceedances during periods of startup, shutdown, or malfunction (the “SSM SIP Call...more
CONGRESS FINDS THE FORMULA TO REFORM CHEMICAL REGULATION - The Toxic Substance Control Act (TSCA) is the primary federal law by which the manufacture, import and use of chemical substances are regulated in the United...more
The U.S. Environmental Protection Agency (EPA) is requesting comment by March 31, 2016, on its intention to designate previously uncharacterized areas of the country with particularly large sources of sulfur dioxide (SO2)...more
On September 15, 2015, EPA solicited public comment on its upcoming cycle of National Enforcement Initiatives (NEI) for fiscal years (FY) 2017-2019. EPA is proposing to adopt three new enforcement initiatives and is...more