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

Jay Leno, the longtime car collector and former late-night host, recently took the wheel of a Tesla Semi for a test drive, ...

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

For decades now, the big three American automakers have been engaged in a game of one-upmanship over which company can fit the most powerful and torquiest diesel engines in their trucks. And, just as ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

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

Learn how to cold start diesel engines after long winter storage. Watch tips, techniques, and precautions to get your engine running smoothly in cold conditions. Major UK travel company plunges into ...

Silverado owner Michael Burke warns that GM’s 6.2L and 3.0L engines are "garbage" due to catastrophic failures, claiming the ...

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

The 2026 Volkswagen Amarok model line has been given a massive shake-up. The previously available Core and Life trim levels, and the single- and twin-turbo four-cylinder engines that powered them have ...