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

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

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

Hours after being sworn in as the new U.S. Secretary of Transportation, Sean Duffy took aim at the main way the federal ...

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 ...

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

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

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