A typical four-stroke (Otto) engine performs intake, compression, combustion and exhaust. Otto’s modern four-stroke engine ...

It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

Porsche has patented an innovative six-stroke engine that combines the benefits of a two-stroke engine's power with the ...

The engine is possibly the greatest invention in the history of mankind. Generally speaking, engines are machines that convert one form of energy into mechanical energy and have revolutionized all ...

Porsche patented a 6-stroke engine Outside of early Saabs, most gas-powered car engines are a 4-stroke Porsche's 6-stroke patent seems to indicate it could eke more power out of an engine Unless you ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

The rattle, buzz and clatter of a two-stroke engine is unmistakable, but it isn't necessarily good for the planet. That's because A) two-strokes burn oil and B) they are inefficient. Lubricating oil ...

GE is preparing the first XA102 demonstrator, an adaptive cycle architecture designed to improve efficiency, range and thermal management.

The first engine built using model-based definition (MBD) at all stages, the XA102 is being advanced with model-based engineering practices, lowering development costs and ...

Thermoacoustic engines are based on tubes that convert heat into resonant sound waves, which in turn drive pistons inside cylinders. A discovery from several hundred years ago involved the bottom end ...