Iowa AG Brenna Bird led a group of 26 Republican AGs in filing two amici curiae briefs urging the dismissal of pending challenges to Environmental Protection Agency waivers allowing California to enforce its own vehicle emissions standards. One brief addresses California emissions regulations for cars, trucks, and SUVs, while the other concerns emissions from heavy-duty…

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AGs from Iowa, Kentucky, Nebraska, and West Virginia—joined by the American Free Enterprise Chamber of Commerce and several corn-grower associations—have moved to intervene in a lawsuit brought by California and other states challenging NHTSA’s 2025 Interpretive Rule, which limits the agency’s authority to enforce certain electric vehicle (EV) fuel economy standards. In their motion, the…

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Nebraska AG Mike Hilgers sued General Motors LLC and its subsidiary OnStar LLC (collectively, “GM”) over allegations that GM misled vehicle purchasers into enrolling in programs that collected and shared their driving data with third parties in violation of state consumer protection law. According to the complaint, the driving data that GM collected, processed, and…

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A group of 17 Democratic AGs has filed suit to block the U.S. Department of Transportation’s Federal Highway Administration from revoking or withholding funds allocated to states under the National Electric Vehicle Infrastructure (NEVI) Formula Program. In the complaint, the AGs assert that FHWA’s actions are unlawful under the Administrative Procedure Act, violate the U.S. Constitution, and…

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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) has agreed to repeal certain aspects of its regulation.

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