Cummins has been making engines for trucks, tractors, and more for more than a century. So, after all that time, which models ...

A look at rare diesel locomotives still in regular service and the dwindling fleet of these unique and historic workhorses.

New Jersey Transit relies on more than 20 old-school diesel engines, including the United States’ oldest locomotive in ...

This tax cut comes at a critical time when the economy is facing much uncertainty between conflict in the Middle East that ...

Diesel enthusiasts might wonder why Subaru skipped the North American markets when they built a diesel version of its Boxer ...

Diesel engines have a deserved reputation as reliable workhorses, but that doesn't mean all diesels can be relied on to ...