NPR's Ayesha Rascoe talks to University of Texas engineering professor Hugh Daigle about why the U.S. imports most of the oil it consumes despite being one of the world's largest oil exporters.

Unleaded gasoline and diesel fuels were mixed in error at a Meijer Express fuel station in Macomb County, Michigan, the ...

If diesel keeps rising, “we’re going to have to keep going up on our pricing, but we probably won’t have any sales,” says ...

Diesel-powered vehicles require diesel exhaust fluid to reduce engine emissions, making them less harmful to the environment ...