Newly appointed Secretary of Transportation Sean Duffy wasted no time in rolling back U.S. fuel efficiency regulations.

Hours after being sworn in as the new Secretary of Transportation, Sean Duffy took aim at the main way the federal government regulates miles per gallon for cars and pickup trucks.

Secretary Sean Duffy is already moving to overturn the Biden-Harris administration’s stringent fuel economy standards ...

In one of his first acts as the newly confirmed Secretary of the Department of Transportation (DOT), Sean Duffy has taken swift action to roll back the Biden-Harris administration’s stringent fuel ...

Secretary Sean Duffy’s first act after being sworn in Tuesday was signing a memorandum that the administration says would ...

And that would be unfortunate," the Former DOT secretary told The Verge. "The work we’ve done to make EVs more affordable is ...

The Department of Transportation is poised to reverse Biden-era fuel economy standards that increase fuel efficiency by 50% ...

President Donald Trump 's new Secretary of Transportation has an interesting Massachusetts connection. Sean Duffy, who was ...

Duffy has quickly emerged as the public face of the federal government’s response to the deadly plane crash at Washington’s ...

WASHINGTON – Central Wisconsin's Sean Duffy is facing his first big test as secretary of the Department of Transportation ...