In his first moments after being sworn in as Transportation secretary, Sean Duffy sought to reverse Biden regulations ...

New U.S. Transportation Secretary Sean Duffy orders review of fuel economy standards, signaling a shift in vehicle efficiency ...

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

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

U.S. Transportation Secretary Duffy has directed the NHTSA to reconsider fuel economy rules established to help promote EVs ...

Newly-minted Secretary Sean Duffy says current emissions standards will make future vehicles unaffordable.

The DOT now argues that increased fuel economy standards will make cars more expensive and that will make the vehicle fleet ...

New U.S. Transportation Secretary Sean Duffy signed an order on Tuesday directing U.S. regulators to rescind landmark fuel ...

Newly appointed Transportation Secretary Sean Duffy ordered a rewrite of more stringent U.S. fuel-economy rules.