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A federal appeals court blocked a Biden administration rule for calculating electric vehicle fuel efficiency.

Iowa Attorney General Brenna Bird led a coalition of states arguing the rule unfairly favored electric vehicles.

The states claimed the rule would increase road wear and greenhouse gas emissions.

A federal appeals court has blocked a Biden administration rule for calculating electric vehicle efficiency at the urging of Iowa Attorney General Brenna Bird, heading a coalition that included other Republican-led states.

The petition to the Eighth Circuit appeals court involved a 2023 Department of Energy rule tweaking the government's longtime formulas for calculating vehicle fuel efficiency, which set standards automakers are required to meet. The specific chan

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