The California High-Speed Rail Authority has hit back at the Department of Transportation after a new report threatened to withdraw federal funding for the state's rail project.

CNBC's Phil LeBeau talks to Transportation Secretary Sean Duffy at the Paris Air Show to discuss last week's Air India crash, ...

Driverless Tesla robotaxis, disguised as Model Y crossovers, have already been spotted on public roads. Yes, the future is ...

Both of the "black boxes" were recovered from the wreckage of the Boeing 787-8 Dreamliner in India after after all but one of the 242 people onboard died.

Elon Musk may be gone from the Trump administration — and his friendship status with President Donald Trump may be at best uncertain — but his whirlwind stint in government certainly left its imprint.

US Transportation Secretary Duffy streamlines the exemption process for noncompliant automated vehicles to promote innovation ...

A single passenger survived the Air India crash, which killed 240 people. An investigation is ongoing but still in early ...

U.S. Transportation Secretary supports an independent audit of D.C. airspace safety after a fatal January collision, with the ...

The debate over vehicle fuel economy standards is intensifying. Last week, U.S. Secretary of Transportation Sean Duffy announced that the government would eliminate penalties for violating federal ...

It may take months to fully understand what caused an Everett-built Boeing 787 to crash shortly after takeoff Thursday.

U.S. Transportation Secretary Sean Duffy pushes for over $20 billion funding in Trump's budget for modernizing air traffic ...

After a deadly Air India crash killed over 240 people, US officials said there's no current reason to ground Boeing 787 jets.