The original concept of combustion engines as we understand them dates as far back as the late 1800s. And while they are more or less a solved science today, they definitely didn't start that way.

Geely's new hybrid engine achieves record 48.41% thermal efficiency and 106 MPG, approaching Formula 1 performance levels.

View post: We Ran the Numbers on a 2026 GMC Yukon Denali to See if a $1,349/mo Lease Is a Good Deal To understand the benefit of a turbo, we need a refresher on the basics of the combustion process.

I can never resist a good oddball engine, and this one’s pedigree is impressive. See if you can bend your mind around it. Most of you reading this probably have at least a basic understanding of how ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...

A modern Formula 1 power unit squeezes more useful work from a liter of fuel than any production car on the planet.