Sean Duffy, the new transportation secretary, is facing his first major crisis just hours after his swearing-in. Duffy, who was confirmed by the Senate Tuesday, quickly emerged as a public face of the federal government's response to the deadly plane crash at Reagan National Airport,

Read about the Senate confirmation of former congressman Sean Duffy as Transportation secretary and learn about the memo he signed concerning CAFE standards.

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