Hours after being sworn in as the new U.S. Secretary of Transportation, Sean Duffy took aim at the main way the federal ...

Newly appointed Secretary of Transportation Sean Duffy wasted no time in rolling back U.S. fuel efficiency regulations.

The orders could worsen the effects of climate change by increasing long-term global emissions and slowing the country’s ...

A signed order by Sean Duffy, U.S. Transportation Secretary, on Tuesday will rescind fuel economy standards put in place by former President Joe Biden. The order directs the National Highway Traffic ...