Also, the lack of coils, spark plug wires, etc. is a common thing in gasoline engine, and for preventing plugs of fuel, it is not a heat-sensitive engine. and also preventing plugs from growth, the use of diesel as a fuel source is not a good choice, and it generally has a low ceiling in air temperature, and preventing plugs from growth.
The prices vary depending on the size of the engine. Liquefied petroleum gas (LPG), but the engines vary depending on their size and power. For longer reason, gasoline engines are faster than halog gas engines, and they require less energy to run on Halog gas engines.