Wait! Don't say anything. Okay—they're gone. I didn't want those guys to hear what we were saying about them. Who? The people who flipped past this article without reading it, of course! You see, ...

The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just patented an engine design titled: "Method for a Combustion Machine With Two ...

Detroit Diesel built its well known two stroke engine for decades after getting its start during World War II, so why did it ...

Mazda has never been afraid of some truly odd engine designs. It keeps trying to make the Wankel work. It has a gas engine with compression ignition. And the company has made 14:1 compression gas ...

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 ...