You've probably heard of two- and four-stroke engines, but what are the four strokes of a gasoline engine? And how do they ...

Horse Powertrain, a joint venture between Renault, Geely, and Aramco, has unveiled an innovative hybrid engine that promises to push the boundaries of fuel efficiency.

A four-stroke engine is a magnificent thing. A complex machine capable of turning flammable liquid into useful work, it has dominated the automotive world for the best part of a century. Now, thanks ...

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.

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient ...

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...

Patent documents reveal Ford is experimenting with hydrogen combustion engines. Not to be confused with fuel cell powertrains, the patent is for a conventional internal-combustion engine that would ...

The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

If your car feels down on power, a trip to the garage might be in order, but checking these things before you go could save ...