Secretary of Transportation Sean Duffy immediately moved to roll back fuel efficiency standards moments after being sworn in ...

Sean Duffy ordered his chief of the National Highway Traffic Safety Administration to “propose the rescission or replacement ...

US President Donald Trump's pick to run the Department of Transportation was sworn in to his new job yesterday. And as widely ...

Sean Duffy took aim at the main way the federal government regulates miles per gallon for cars and pickup trucks — also a principal way that it regulates air pollution and addresses climate change.

Secretary of Transportation Sean Duffy immediately moved to roll back ... California, along with 17 other states, sets stricter air pollution regulations then the federal government.