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

Sean Duffy ordered his chief of the National Highway Traffic Safety Administration to “propose the rescission or replacement ...

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

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 ...

The new Transport Secretary tells the NHTSA to review all fuel economy rules. This will have massive effects across the ...

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 ...

Sean Duffy, the new transportation secretary, is facing his first major crisis just hours after his swearing-in.