You might have heard about high compression ratios, but what exactly are they, and what kind of effect do they have on an ...

With the combustion chamber being the root of all horsepower, it only makes sense that you start spec'ing an engine build there. One of the key variables in engine building is compression ratio, or ...

Despite its critics and moves toward electrification, the internal combustion engine is not yet dead. Though its design for passenger vehicles may have begun to reach its apex with Mazda’s Skyactiv ...

EVs are seen as an advance towards the future of mobility, but to what extent will they dominate the zero-emission car industry? What we have just learned could bring internal combustion, scorned as ...

Porsche is pioneering a unique six-stroke engine design which is breaking boundaries for internal combustion technology. The automotive world has long since moved away from the traditional two-stroke ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Nissan brought the first, and only, variable-compression engine to market. But its future doesn't look bright. Complexity in ...