However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Add Yahoo as a preferred source to see more of our stories on Google. Mechanical injection systems rely entirely on engine driven components to meter, pressurize, and time fuel delivery. In these ...

BEIJING--The spread of modern diesel engines using common-rail technology faces barriers in China. They cost more than standard diesels. China's impure diesel fuel can damage common rail parts. And ...

Mechanical injection systems rely entirely on engine driven components to meter, pressurize, and time fuel delivery. In these engines, a mechanical injection pump is driven by the engine's gear train ...