Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...

As we face the end of the internal-combustion era, the straight-six has made an unlikely comeback. Well, unlikely might not be the right word for an engine configuration of such fundamental rightness.

For the past decade, high-compression engines have been sorely missing from American cars, partially due to the misconceptions that high-compression engines and unleaded fuel were incompatible and ...

In terms of innovative engine tech, Mazda's SkyActiv-G engine and Toyota's 2.5-liter Dynamic Force engine are two industry ...

A loophole in Formula 1’s new technical regulations offers a way around the 16:1 compression ratio cap, introducing ...