Early adopters of the X15N engine have seen positive results, which may translate to additional fuel demand, according to the latest State of Sustainable Fleets report. Natural gas vehicle adoption ...

By the Cummins deal, Dodge didn't have many possible dance partners left.

How the 5.9L Cummins turbo diesel revolutionized pickup trucks in 1989, delivering 400 lb-ft of torque when Ford and GM ...

40 years is a long time in the automotive world. While a few prized cars from the 1980s may be exploding in value, not many would consider their 40-year-old engine technology reliable. One diesel ...

The Cummins X15 diesel engine has been updated to meet the upcoming emissions requirements while maintaining the durability and performance that have made it widely used in long-haul operations.

It was destined that Louie would be passionate about cars before it became a conscious choice. And once it did, there was nothing else on his mind. With a childhood automotive brain like a database, ...

Discover four diesel engines more powerful than the 6.7 Cummins. We compare heavy-duty motors like the Ford Power Stroke, ...

While Dodge diesel trucks didn't always have Cummins engines, their shared history dates all the way back to 1989. That's when the inline six-cylinder 5.9-liter Cummins diesel first appeared in Dodge ...