Researchers in Wisconsin have developed a concept engine that can run on gasoline and diesel at the same time, with a ...

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

Westport and Volvo are demonstrating a 500-hp truck with diesel-like efficiency — one that also offers what Westport says is ...