Some consumers are scared by what connected cars can do with all personal information and self-driving features, but diesel trucks can have a mind their own, too. While this Cummins-powered sled ...

We continue satisfying curiosities—some simple, some not-so-simple—about diesels, with this quick look at what might be one of the most unnerving mechanical problems a truck owner ever wants to ...

Motorsport history is full of engines so effective that they stopped being technical marvels and started becoming regulatory problems. When one power unit rewrites the competitive balance, officials ...