Presented at the recent SAE World Congress in Detroit, the idea from Toyota Central R&D Labs Inc. and involves what is called a Free Piston Engine Linear Generator (FPEG). Think of it as a sort of ...

Toyota has taken a mostly hybrid route ... as efficient as an engine design invented in 1928. It's called a free-piston engine, and until now it's been less than ideal for transportation use ...

But that’s by no means the only way to make an engine, and one of the slightly more unusual alternatives comes to us courtesy of a vintage Shell Film Unit film, The Free Piston Engine ...

However, [Attila Blade]’s version of a free-piston type Stirling engine is simple enough to be built in a matter of minutes. To build the engine you only need a test tube, steel wool ...

Toyota’s GR Corolla and GR Yaris are impressive cars, but their tiny, turbocharged three-cylinder engine has left many wanting more. The automaker is reportedly working on an upgrade for the cars, ...