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 ...

Sean Duffy’s first big test as secretary of the Department of Transportation came just one day after he was sworn into office ...

Prior to his appointment, Sean Duffy served as a Wisconsin congressman and district attorney and before that he was a reality ...