Hydrogen combustion engines are inefficient, costly to maintain and worse for the environment than fuel cell or battery powertrains. But they're also noisy and fun, so automakers are starting to pitch ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

An exhaust note helps give a cars its personality, and what that personality is has a lot to do to the type of engine it has. Toyota has released a helpful explainer on why that is. It starts with the ...

Carbon emission-free engines that burn hydrogen increasingly look like a viable technology for vehicles that range from race cars to cement mixers. The motorsport department at Austrian automotive ...

Production cars have come a long way since the invention of the combustion engine, and car manufacturers have always sought to innovate and push the limits of what is possible. An area of particular ...

Reports of the death of the internal combustion engine have been greatly exaggerated. In the wake of stalled consumer demand and stubbornly high costs, automakers around the world are furiously ...

Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...

No matter whether you run car, motorcycle, boat, or airplane, one common fact binding all these vehicles is that their engines all need oil. An internal combustion engine running at speed is a violent ...