The crude oil engine is a type of internal combustion engine similar to the hot bulb engine.
The crude oil engine is a type of internal combustion engine similar to the hot bulb engine.
The hot-bulb engine is a type of internal combustion engine in which fuel ignites by coming in contact with a red-hot metal surface inside a bulb, followed by the introduction of air (oxygen) compressed into the hot-bulb chamber by the rising piston.