News & Analysis as of

State Attorneys General Clean Air Act Environmental Policies

Cozen O'Connor

California to Repeal Clean Fleets Regulation Following GOP AGs Challenge

Cozen O'Connor on

A group of 16 Republican AGs, the Arizona legislature, and a trade association announced that as a result of their lawsuit challenging California’s Advanced Clean Fleets regulation, the California Air Resources Board (CARB)...more

Cozen O'Connor

Vermont’s Climate Superfund Law Draws Heated Challenge from GOP AGs

Cozen O'Connor on

A group of 24 Republican AGs, along with several trade associations, sued Vermont over the state’s Climate Superfund Act, which authorizes the state to levy billions of dollars in fines on fossil fuel companies for alleged...more

Troutman Pepper Locke

22 AGs Challenge New York’s Climate Superfund Law

Troutman Pepper Locke on

A coalition of industry associations and 22 state attorneys general (AG), led by West Virginia AG JB McCuskey, filed a lawsuit against the State of New York in the U.S. District Court for the Northern District of New York...more

Mintz

Red State AGs Sue New York State in Challenge to Climate Change Superfund Act

Mintz on

In December 2024, the State of New York enacted the “Climate Change Superfund Act,” which would impose retroactive fines on fossil fuel producers for greenhouse gas emissions that contribute to climate change. (New York was...more

Cozen O'Connor

New York Climate Superfund Law Faces Heated Opposition from Republican AGs

Cozen O'Connor on

A group of 22 Republican AGs, along with several coal, oil, and gas companies and industry trade associations, sued New York over the state’s Climate Superfund Act, which authorizes the state to levy billions of dollars in...more

Cozen O'Connor

Republican AGs Want to Vaporize EPA Rule Imposing Methane Charges

Cozen O'Connor on

A group of 23 Republican AGs filed a petition for review in the U.S. Court of Appeals for the D.C. Circuit of the EPA’s Final Rule requiring charges on certain oil and gas producers exceeding Congressional methane emissions...more

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

Odor/Air Enforcement: Massachusetts Attorney General Files Judicial Action Against Grafton Animal Feed Dehydrator Operation

The Massachusetts Attorney General (“AG”) on behalf of the Commonwealth of Massachusetts filed on October 16th a civil action in the Superior Court alleging that: …Feedback Earth, Inc. (“Feedback Earth”) is generating...more

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

Troutman Pepper Locke

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

Troutman Pepper Locke 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

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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