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

Transportation Secretary Sean Duffy kicked off a months or years-long process to end a so-called "EV mandate" from the Biden administration.

In his first act, President Donald Trump's Transportation Secretary, Sean Duffy, ordered a review of Biden's fuel economy standards.

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

U.S. Transportation Secretary Sean Duffy has officially repealed landmark fuel economy standards established under President Joe Biden, marking a significant shift in the nations automotive and energy policies.

The fuel economy standards have been in place since the 1970s energy crisis and were intended to conserve fuel and save consumers money at the gas pump.

New U.S. Transportation Secretary Sean Duffy signed an order on Tuesday directing U.S. regulators to rescind landmark fuel economy standards issued under President Joe Biden that aimed to drastically reduce fuel use for cars and trucks.

Newly appointed 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 the White House.

The federal government has estimated the average U.S. driver was on track to save over $5500 in gas during the second Trump administration under currently established fuel economy rules — but that's set to change,

One of Sean Duffy’s first acts was to start dismantling rules demanding automakers hit fleet average of 50.4 mpg for cars by 2031