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

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

Volkswagen isn't reinventing the way your internal combustion engine works. The automaker has, however, created a new twist on the Otto cycle that's a revised version of the Atkinson cycle. Your ...