U.S. Transportation Secretary Sean Duffy spoke Tuesday at the Texas Department of Transportation's Austin headquarters.

Transportation Secretary Sean Duffy blames the Democrats for the air travel chaos, but while in Congress he voted against ...

Transportation Secretary Sean Duffy dumped stock worth tens of thousands of dollars just before a key portion of President ...

Transportation Secretary Sean Duffy sold stocks two days before President Trump announced significant tariffs on foreign ...

Transportation Secretary Sean Duffy signed an order on Tuesday requiring commercial truck drivers to be fluent in English.

Transportation Secretary Sean Duffy signed an order on Tuesday requiring commercial truck drivers to be fluent in English. ...

The Trump administration is enforcing an English language law for truck drivers, citing safety concerns. Transportation ...

Transportation Secretary Sean Duffy said the US Federal Aviation Administration will release a plan today to reduce flights ...

Secretary Sean Duffy said not being able to read a stop sign or communicate with police during an emergency poses a risk to ...

CNBC's David Faber sits down with U.S. Transportation Secretary Sean Duffy live from Tesla HQ. He discusses EVs, autonomous vehicles and bringing jobs back to America.

U.S. Transportation Secretary Sean Duffy on Tuesday signed an order to again require strict enforcement of English language proficiency rules for commercial truck drivers.