Secretary of Transportation Sean Duffy immediately moved to roll back fuel efficiency standards moments after being sworn in ...

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

New transportation secretary Sean Duffy faces his first crisis as an Army helicopter collides with an American Airlines jet ...

Transportation Secretary Sean Duffy had been sworn in just hours before the deadly midair collision of a plane and helicopter near Washington, D.C.

Newly sworn-in Transportation Secretary Sean Duffy only had a few hours to celebrate his promotion before tragedy struck. Duffy was all smiles Wednesday when Vice President JD Vance delivered the oath ...