Hours after being sworn in as the new U.S. Secretary of Transportation, 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.

From national security to home insurance, the president has quickly changed America’s climate adaptation policies in important ways.

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 Safety Administration (NHTSA) to “reconsider the 2022 model year through 2031 model years for cars and trucks,” Reuters reported.

The orders could worsen the effects of climate change by increasing long-term global emissions and slowing the country’s transition to electric transportation and renewable energy. Trump declared an unprecedented “national energy emergency,” designed ...

Executive orders and announcements by President Trump have put billions of dollars in U.S. climate commitments into question.

And that would be unfortunate," the Former DOT secretary told The Verge. "The work we’ve done to make EVs more affordable is part of why there are more and more jobs being created in the industrial Midwest,

Hours after being sworn in as the new Secretary of Transportation, Sean Duffy took aim at the main way the federal government regulates miles per gallon for cars and pickup trucks.

In a barrage of executive orders, President Donald Trump has set the US on course to derail climate goals, biomedical research and pandemic readiness

In an executive order last week, the Trump administration called for a pause on handing out the funds that are legally set aside under the Inflation Reduction Act and the Bipartisan Infrastructure Law. That includes hundreds of billions of dollars for climate research and infrastructure.

Federal grants "are investments," a veteran researcher explains, and cutting them will endanger people's lives here and elsewhere.

Protecting and conserving our natural heritage, predicting weather and environmental conditions, preventing and managing pollution, promoting clean growth and a sustainable environment for present and future generations.

Sean Duffy has been confirmed as transportation secretary, giving him a key role in President Donald Trump's administration