In Ohio et al. v. U.S. EPA, on April 9, 2024, the United States Court of Appeals for the D.C. Circuit upheld a decision by the U.S. Environmental Protection Agency ("EPA") to allow California's 2013 greenhouse gas emissions...more
Last week, Virginia Governor Glenn Youngkin announced that, effective January 1, 2025, Virginia will exit a California-led electric vehicle (EV) mandate and will instead comply with less stringent federal guidelines. The...more
Vermont passed a first-of-its-kind law requiring energy companies to pay for part of the damages from extreme weather events, but the law likely will face legal challenges....more
California Attorney General (AG) Rob Bonta is leading a coalition of 22 Democratic states and the District of Columbia, to defend the Environmental Protection Agency’s (EPA) rule that sets stringent greenhouse gas emissions...more
Nebraska Attorney General (AG) Mike Hilgers is leading multi-state coalitions in two lawsuits aimed at challenging the Biden Administration and the State of California’s electric vehicle mandates on truck owners and operators...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
The new emission limits apply to new passenger cars, light trucks and large pickups and vans, and set increasingly stringent fleet-wide emission limits covering carbon dioxide and other pollutants for Model Years 2027-2032....more
On March 20, 2024, EPA announced new emissions standards for light-duty and medium-duty vehicles, starting with model year (“MY”) 2027 and phasing in through MY 2032. The new standards require reductions in emissions of...more
Last week, the Environmental Protection Agency (EPA) announced new regulations to reduce ethylene oxide emissions. According to the EPA’s press release, the new regulations are “the strongest measures in U.S. history to...more
Historically, regulations under the federal Clean Air Act (CAA) and related state laws divided the world into “stationary” and “non-stationary sources.” “Stationary sources” included facilities like power plants and factories...more
The U.S. Environmental Protection Agency ("EPA") has proposed regulations for calculating methane emissions fees required beginning this year under the Inflation Reduction Act ("IRA"). Section 136 of the Clean Air Act (added...more
In a recent report, the Environmental Protection Agency (EPA) Office of Inspector General (OIG) describes steps the EPA should take to increase air monitoring at marine ports and neighboring communities. While not agreeing to...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
On April 12, 2023, the Environmental Protection Agency (EPA) issued a Notice of Proposed Rulemaking for “Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles – Phase 3” (the Phase 3 proposed rule or NPRM), establishing...more
On December 20, 2022, the Environmental Protection Agency finalized regulations aimed at reducing harmful emissions from trucks, delivery vehicles, and buses. These regulations will impact vehicles manufactured after 2027 and...more
For air emission sources in New Haven County, Middlesex County, and Shelton, Connecticut, the regulatory landscape will change on November 7, 2022. Per a regulation published on October 7, 2022, EPA is reclassifying the...more
The U.S. Environmental Protection Agency (“EPA”) has announced its latest priority for Clean Air Act enforcement: stationary engines. In an enforcement alert, EPA states that it has been finding numerous violations of Clean...more
On December 30, 2021, the U.S. Environmental Protection Agency ("EPA") published a final rule (the "Final Rule") setting revised greenhouse gas emissions standards for passenger cars and light-duty trucks with model years...more
Seyfarth Synopsis: The U.S. Environmental Protection Agency (EPA or Agency) has released a pre-publication copy of its proposed amendments to the Air Toxics Standards for Industrial, Commercial, and Institutional Boilers and...more
Seyfarth Synopsis: Last week, the U.S. Environmental Protection Agency (EPA or Agency) initiated the first phase of a two phased approach to address ethylene oxide (EtO) emissions, announcing final amendments to the...more
On 31 March 2020, the U.S. Environmental Protection Agency (EPA) and the Department of Transportation National Highway Traffic Safety Administration (NHTSA) released a new joint rule finalizing the Trump administration's fuel...more
Seyfarth Synopsis: The U.S. Chemical Safety and Hazard Investigation Board (CSB) has proposed new accidental chemical release reporting requirements that are broad in scope and would cover additional chemicals, threshold...more
Led by California, 23 states, including Massachusetts, have sued the Trump administration challenging new federal regulations that strip the states’ authority to set their own vehicle emissions standards. On December 3, 2019,...more
The United States Environmental Protection Agency (“EPA”) on January 6th issued a pre-publication Advance Notice of Proposed Rule (“ANPR”) addressing the Clean Air Act Heavy-Duty Engine Standards. The ANPR also describes...more
Action May Have Far-Reaching Impacts - Today, the Environmental Protection Agency (“EPA”) and the National Highway Traffic Safety Administration (“NHTSA”) announced a joint rule intended to substantially affect...more