News & Analysis as of

Environmental Protection Agency (EPA) Clean Air Act State Attorneys General

Cozen O'Connor

Republican AGs Urge EPA to Block CA’s Clean Fleets Regulation

Cozen O'Connor on

A group of 24 Republican AGs submitted comments urging the EPA to deny California’s request for a preemption waiver for its Advanced Clean Fleets Regulation, which requires certain vehicle fleets to incorporate zero-emitting...more

Mitchell, Williams, Selig, Gates & Woodyard,...

NSPS for Greenhouse Gas Emissions from New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units/Clean Air Act:...

Arkansas Attorney General Tim Griffin and 24 other state Attorney Generals filed on May 9th a Petition for Review (“Petition”) in the United States Court of Appeals for the District of Columbia challenging the recent rule...more

Cozen O'Connor

Republican AGs Ask Court to Stay Rule Limiting Methane Emissions

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A group of 24 Republican AGs and Arizona legislative leaders have filed a motion to stay the EPA’s final rule on Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing...more

Troutman Pepper

California AG Settles Alleged Violations of Engine Emission Control and Certification Requirements

Troutman Pepper on

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

Cozen O'Connor

Keep on Trucking in California, Say Republican AGs

Cozen O'Connor on

Nineteen Republican AGs filed a petition for review in the U.S. Court of Appeals for the District of Columbia Circuit over an Environmental Protection Agency (EPA) final action that granted two California Air Resource Board...more

Cozen O'Connor

EPA Efforts to Strengthen Air Quality Standards Meet AG Resistance

Cozen O'Connor on

A 19-state coalition of Republican AGs wrote a letter to the EPA opposing a proposed rule that adjusts the national ambient air quality standards for particulate matter (NAAQS) by lowering the annual allowable levels for air...more

Cozen O'Connor

AGs Support EPA’s Efforts to Lower Oil and Gas Sector’s Greenhouse Gas Emissions

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A group of 19 AGs co-signed a comment letter supporting an EPA supplemental proposal to strengthen emissions regulations for facilities in the oil and natural gas sector. The proposal contains the first EPA emission...more

Cozen O'Connor

AGs Advocate for Enhanced Chemical Accident Prevention Regulations

Cozen O'Connor on

A multistate coalition of 20 AGs and the County Attorney of Harris County, Texas, issued comments on the EPA’s proposed rule titled “Safer Communities by Chemical Accident Prevention.” The proposed rule would strengthen the...more

Cozen O'Connor

Republican AG Coalition Sues EPA Over California Emissions Standards

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A coalition of AGs from 17 Republican states filed a Petition for Review in the District of Columbia Circuit of the EPA’s reinstatement of California’s ability to independently set emissions standards under the Clean Air Act....more

Cozen O'Connor

Clearing the Air: AG Coalition Led by California Comments on Proposed EPA Regulation of Aircraft Emissions

Cozen O'Connor on

California AG Rob Bonta and the California Air Resources Board led a coalition of 12 states in urging the EPA to adopt more protective standards for particulate matter emissions from airplanes in comments submitted in...more

Orrick, Herrington & Sutcliffe LLP

Orrick State Attorneys General Newsletter – January 2022

Massachusetts Attorney General Maura Healey Announces Run for Governor As widely anticipated, Massachusetts Attorney General Healey formally announced she will run for governor in 2022. General Healey’s decision will likely...more

Allen Matkins

California Environmental Law & Policy Update - July 2021 #5

Allen Matkins on

California drafts safe limits for PFOA and PFOS in drinking water - Chemical & Engineering News – July 23 - A July 22 draft report from the California Environmental Protection Agency would set a science-based safe...more

Cozen O'Connor

Republican Attorneys General Oppose Reinstatement Of California’s Clean Air Act Waiver

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A group of 16 Republican AGs, led by Ohio AG Dave Yost, sent a comment letter to the U.S. Environmental Protection Agency (“EPA”) urging it to not reinstate California’s waiver under the Clean Air Act, which the letter argues...more

Cozen O'Connor

Republican AGs Seek Supreme Court Review Of Decision Striking Down Trump-Era Clean Energy Rule

Cozen O'Connor on

A group of 19 Republican AGs, led by West Virginia AG Patrick Morrisey, filed a petition for a writ of certiorari seeking review of a decision from the United States Court of Appeals for the District of Columbia Circuit that...more

Foley Hoag LLP - Environmental Law

Massachusetts and Other States Challenge Trump’s Move to Bar State Vehicle Emissions Regulations

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

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