Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't ...

In years gone by, the LLY variant of Duramax turbodiesel V8 powered vehicles such as the Chevrolet Silverado HD and GMC Sierra HD.

While diesel-powered passenger vehicles are increasingly limited in the U.S., they remain vital, especially for those in the ...

Diesel has climbed faster than gasoline this month, directly hitting businesses, from brewers to trucking companies. Those ...

The U.S. Small Business Administration estimates new guidance on diesel exhaust fluid sensors will save farmers and truckers ...

Regular gas accidentally got mixed with diesel fuel at a Michigan gas station, and now many drivers are having problems.

The feds aren't scrapping DEF altogether, but this could potentially address a large portion of emissions system failures.

More than 75,000 Volkswagens are being recalled after a dashboard glitch could prevent drivers from seeing speed and warning ...

The rules require diesels to emit 82.5 percent fewer oxides of nitrogen, or NOx, cutting it to 0.035 grams per ...

The largest automaker of the Detroit Big Three has identified a safety issue that affects 2018 and 2019 model year half-ton pickup trucks. In the affected Chevrolet Silverado 1500 and GMC 1500 ...