Diesel engines have powered everything from passenger cars to tractor-trailers. They're known for their reliability, fuel efficiency, and long life. Several motorcycle manufacturers have used diesel ...

While major motorcycle manufacturers produce a wide range of impressive mainstream bikes, the custom-built world of motorcycles is far stranger, with some examples that seem to break all the rules.

In a promotion for an American bacon producer, a diesel motorcycle has been specially adapted to ride on bacon fat. This “Wild Hog” is based on the rare Track T800 CDI motorcycle from Dutch company ...

The idea’s surely unique, but the performance figures will leave you wanting. Diesel power is everywhere in the automotive world, as you'll find it in trucks, vans, buses, and even some SUVs. And for ...