This is why diesels don't need spark plugs, for instance. But it also means that mixing the fuel and air can be tricky, which is why diesel engines have specially-shaped pistons. A diesel engine's ...

“As pistons have a cylindrical shape, the driving engines for vehicles of known type have some drawbacks, mainly deriving ...

Slowly increasing availability of unleaded avgas is among the market developments for piston-engine airplanes.

With this design, Ferrari aims to ease production, boost power output, and enhance fuel economy without sacrificing trademark ...

The affected vehicles are Kia MY SOUL and Seltos from 2021, 2022 and 2023 that are equipped with a 2.0L Nu MPI engine, according to the National Highway Traffic Safety Administration. The piston ...