Newly sworn-in Transportation Secretary Sean Duffy only had a few hours to celebrate his promotion before tragedy struck.
The midair collision at Reagan National Airport on Wednesday night has presented Sean Duffy with a major crisis just hours ...
Newly appointed US Transportation Secretary Sean Duffy ordered a rewrite of more stringent US fuel-economy rules, following through on one of President Donald Trump’s first directives after he retook ...
One of Sean Duffy’s first acts was to start dismantling rules demanding automakers hit fleet average of 50.4 mpg for cars by ...