Transportation Secretary Sean Duffy on Tuesday began the process of rolling back fuel economy standards set by the Biden administration that he said “put coercive pressure” on automakers to phase out gasoline-powered vehicles.

In his first act in office, new Trump Transportation Secretary Sean Duffy signed a memorandum directing the agency to review former President Joe Biden’s fuel economy standards, which aim to reduce vehicle emissions.

One of Sean Duffy’s first acts was to start dismantling rules demanding automakers hit fleet average of 50.4 mpg for cars by 2031

Sean Duffy was sworn in as the new Secretary of the U.S. Department of Transportation on Tuesday and one of his first acts in office was to sign a memorandum that begins the process of reducing automotive fuel efficiency standards enacted under the Biden administration.