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

Sean Duffy, the new transportation secretary, faces his first major crisis just hours after his swearing-in. Duffy, who was confirmed by the Senate Tuesday, quickly emerged as the public face of the ...

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

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