New Transportation Secretary Sean Duffy called current regulations unrealistic and costly for automakers and consumers.

In his first act in office, new Trump Transportation Secretary Sean Duffy signed a memorandum directing the agency to review ...

One of Sean Duffy’s first acts was to start dismantling rules demanding automakers hit fleet average of 50.4 mpg for cars by ...

President Trump’s remarks, suggesting that diversity in hiring and other Biden administration policies somehow caused the ...

The order is the latest Trump administration effort against Biden-era initiatives that intended to promote electric vehicles ...

Newly-minted Secretary Sean Duffy says current emissions standards will make future vehicles unaffordable.

The U.S. Transportation Department said on Wednesday it plans to rescind a climate rule adopted by the administration of ...