Former Wisconsin congressman Sean Duffy was sworn in as new U.S. Transportation Secretary this week. Here's what his responsibilities include.

Duffy also said he would cut DEI programs at the agency and create federal rules for self-driving cars instead of leaving that to a patchwork of state regulations, a key priority of Tesla CEO Elon Musk, who is running Trump’s government efficiency effort.

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