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US to declare Biden fuel efficiency rules beyond legal authority

Automakers said that the U.S. Transportation Department will declare that the fuel economy regulations issued by then-President Joe Biden, which included electric vehicles when setting the rules exceeded the legal authority of the government.

Sean Duffy, Transportation Secretary, said that the National Highway Traffic Safety Administration of the Department submitted to the White House on Friday its interpretive rule "Resetting Corporate Average Fuel Economy Program".

He said that the previous administration "illegally" used CAFE standards to impose a mandate for electric vehicles, which drove up car prices.

The reduction in fuel efficiency requirements could be achieved by removing EVs as a factor for calculating credits and regulatory mandates.

NHTSA announced in June that it will increase CAFE standards for light duty vehicles to approximately 50.4 miles per gallon (4.67 grams per 100 km) from 39.1 miles per gallon currently.

Last year, 120 Republican legislators said that NHTSA overstepped its authority when it adopted fuel economy standards. "These standards effectively mandate EVs and at the same force the internal combustion engines out of the marketplace."

The lawmakers stated that the agency "accounted EVs in their regulatory baseline and factored this baseline into their determination of maximum achievable CAFE Standards."

House Republicans proposed last week to kill the EV credit and repeal fuel efficiency regulations designed to encourage automakers into producing more zero-emission cars as part of a broader tax reform bill.

The federal law requires NHTSA set CAFE standards to the maximum possible level.

The Environmental Protection Agency announced that it would begin the effort to reverse Biden's parallel vehicle emission rules, which would force automakers into building a growing number of EVs. However, the agency has not yet begun to rescind California’s legal authority to enforce its 2035 EV regulations.

The EPA also plans to reconsider the rules that award credits for vehicles with "start-stop" technologies, which are found in about half of all new cars.

NHTSA stated last year that the rule would cut gasoline consumption by 64 billion gallon and emissions by 659 millions metric tons. (Reporting and editing by David Shepardson, Stephen Coates, Chris Reese and Aurora Ellis).

(source: Reuters)