Ohio AG Dave Yost and Kansas AG Kris Kobach have completed briefing on their emergency application with the U.S. Supreme Court to stay the EPA’s “Reconsideration of the National Ambient Air Quality Standards for Particulate Matter” final rule while it is pending review before the U.S. Court of Appeals for the D.C. Circuit.

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California AG Rob Bonta has filed an amicus brief with the U.S. Court of Appeals for the Eighth Circuit in defense of the SEC’s climate disclosure rules (Final Rule), which requires publicly traded companies to disclose climate-related risks and financial impacts in their SEC filings, including greenhouse gas emissions, climate-related goals, and costs associated with…

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Eleven Republican AGs filed a petition for rulemaking to the EPA demanding that it amend its regulations under the Federal Insecticide, Fungicide, and Rodenticide Act (“FIFRA”) regarding additional labeling or packaging requirements imposed under state law for products subject to FIFRA.

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Arizona Attorney General Kris Mayes sued FCA US LLC (d/b/a Fiat Chrysler Automobiles) and Cummins, Inc. (Cummins) alleging that the engine and vehicle manufacturers violated Arizona consumer protection laws by installing illegal defeat devices to bypass vehicle emissions control equipment in diesel engines on certain RAM pickup trucks, leading to excess emissions. As alleged in…

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West Virginia AG Patrick Morrisey and Kentucky AG Russell Coleman co-led a coalition 26 Republican AGs in challenging the National Highway Traffic Safety Administration’s Corporate Average Fuel Economy Standards for Passenger Cars and Light Trucks for Model Years 2027 and Beyond and Fuel Efficiency Standards for Heavy-Duty Pickup Trucks and Vans for Model Years 2030…

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