The phrase "Atkinson cycle" is as synonymous with hybrids as the words "Toyota" and "Prius". But what does that even mean and ...

While there certainly isn’t a four-cylinder replacement for a V8 exhaust note, small-capacity engines can be just as powerful. We picked ten cars that show just how far technology has come.

[Huib Visser] built this glass cylinder four-stroke engine and he took great care to make it beautiful. We don’t need our projects to be polished and gleaming, but we have to admit that this the ...

If you're looking for a hardcore off-roader with a large engine, the Yamaha WR700F could be what you crave. But does it even ...

Porsche recently filed a patent for a novel six-stroke engine design ... sports car manufacturer. The patented design introduces two additional strokes to the traditional four-stroke cycle ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

Porsche’s six-stroke engine design is based on a unique approach that could redefine how internal combustion engines work. Traditionally, engines follow a four-stroke cycle, consisting of intake, ...

Karl Benz received the patent # 37435. In the fall of 1885, the world’s first water-cooled gasoline engine automobile (horseless carriage) rolled down the streets in ...