Because diesel vehicles do not use spark plugs, they must rely on higher compression ratios to ignite the diesel fuel without ...

The compression ratio isn't just a number: it's one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

The World's First Production-Ready Variable Compression Engine Infiniti's has developed the first variable compression ratio ...

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