The rules require diesels to emit 82.5 percent fewer oxides of nitrogen, or NOx, cutting it to 0.035 grams per ...

Detroit Diesel has produced many classic engines, but the "Screaming Jimmy" two-stroke is likely the one with the most ...

Added information on DEF / DPF system history for on-road and off-road diesel-powered vehicles and equipment. The run of ...

North Korean leader Kim Jong Un has observed a test of a high-thrust, solid-fuel engine. The Korean Central News Agency ...

"Dyno verified" can mean different things, depending on which dynamometer that car was rolling atop.

Diesel exhaust fluid is essential for keeping your engine functioning without letting off too many emissions. But it doesn't ...