Between the two main engine types seen in automobiles around the world, there is a somewhat complicated gap in pollution ...

Cummins makes some of the best engines, especially for trucking, so it's reasonable to wonder who founded the company and why ...

Wondering if 15W-40 oil is only for diesel engines? Learn where this oil grade is used, and whether it’s safe for gas-powered ...

A technology company has broken the world record for the overall thermal efficiency of a diesel engine, which could save ...