Elon Musk and Donald Trump just blew up one of the loudest bromances in American politics, and now the real question is: ...

In a phone interview with NBC News’s Kristen Welker, Mr. Trump said he had no plans to speak with Mr. Musk, calling the tech ...

The U.S. is set for a major expansion of autonomous vehicles in 2025, with tech advances, regulatory changes, and new ...

The Trump administration’s announcement that it would pull $4 billion for the state’s bullet train project is likely to mean ...

The threat to cut off California follows a 315-page report published by the Federal Railroad Administration that claims ...

California disputed a Trump administration report detailing how it has failed to complete a high-speed rail project on schedule by ...

Transportation Secretary Sean Duffy says Biden-era fuel economy standards for gas-guzzling cars and trucks are illegal and ...

On Feb. 11, Transportation Secretary Sean Duffy sold stocks in 34 companies, valued between $75,000 and $600,000 – just two days before President Donald Trump announced his tariffs on foreign imports ...

Picking out the worst performer among President Donald Trump’s Cabinet appointees is a tough job — it’s a competitive race, after all — but Transportation Secretary Sean Duffy deserves to be in the ...

U.S. Transportation Secretary Sean Duffy visited Tesla Inc.'s TSLA Gigafactory in Austin, Texas, where he was joined by CEO Elon Musk. What Happened: "We're thrilled about the future of autonomous ...

Transportation Secretary Sean Duffy joins the program in an exclusive one-on-one, fresh off a news conference where he made it clear that the U.S. DOT will be cracking down on English-proficiency ...

Transportation Secretary Sean Duffy joins the program in an exclusive one-on-one to talk English-proficiency enforcement, his department’s deregulatory push, his own background in trucking and more.