US appeals court voids Biden-era electric vehicle fuel economy rule

Biden EV Fuel Efficiency Standard Rule Struck by Eighth Circuit

The US Department of Energy’s updated methodology for calculating electric vehicles’ fuel efficiency was scrapped by a federal appeals court Friday in a blow to the former Biden administration’s regulatory push to update the EV market.

US appeals court voids Biden-era electric vehicle fuel economy rule

A U.S. appeals court on Friday voided a Biden administration-era rule that changed the calculation of the petroleum-equivalent fuel economy of electric vehicles, a victory for 13 Republican state attorneys general who said the rule overstated EVs' efficiency.