Performance Racing Industry (a subsidiary of the Specialty Equipment Market Association) scored a major victory Dec. 8 to Dec. 11, with the triumphant live, in-person return of its annual trade show.

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Internal combustion engine blowby, whether gasoline or diesel, occurs when part of the compressed mixture of air and fuel leaks past the piston rings during the compression or power strokes of a ...

Light-truck diesel engines of five to 10 years ago weren't so good. They were noisy, vibrated, had smelly exhaust emissions, and were more costly to build than their gasoline-burning counterparts.