抄録
In this research, for the purpose of promoting energy saving and reduction of CO_2 emissions by popularizing the LPG vehicle in Japan, it is need to improve the fuel consumption, the exhaust emissions and the power of LPG engine more than those of gasoline engine. Liquid fuel injection system will solve these problems. This paper describes that LPG engine with liquid fuel supply system has superiority of the knock-resistant, the fuel consumption and the exhaust emissions to gasoline engine because of combustion characteristic of this fuel.
