Obtaining a really favorable result of combustion of gas in the car engine to the surrounding environment when compared with the combustion of leaded petrol and diesel fuel it relates to the chemical-physical properties regarding LPG, namely:
It is a combined propane and butane, or hydrocarbons having some sort of straight molecular structure, does not contain impurities and additives
the engine is given in the vapor phase, which allows a superior combustion process
does not contain impurities which can be a product of using up solids.