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 cycle that dates back to the 1800s.

When we think of a typical four stroke internal combustion engine, we think of metal. And for any type of longevity or performance, that’s certainly the right choice. But [Integza] wanted to see what ...