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 ...

Ship designers could use any kind of engine they choose, but they overwhelmingly opt for diesel engines. What's the reason ...

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

Edge Group’s new Powertech unit has secured a first engine order weeks after the United Arab Emirates (UAE) defense company ...

The National Highway Traffic Safety Administration recall notice cites a possible manufacturing defect for the piston rings, which can result in engine failure. NHTSA’s recall report notes that ...

The report mentions that the failure could be traced to a damaged piston inside the engine, which allowed the crankcase to become pressurized and lose oil.

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 ...

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 piston head looks like someone took a scoop out of the top.