一、前言 目前,汽车的新发展都集中在节省燃料的方法或采用代用燃料上。关于代用燃料的开发和研究,世界上已有了宽馏程燃料、合成汽油、醇类燃料、液化石油气、天然气等。但是,将液化石油气残液作为汽车的代用燃料,虽有少数单位进行使用试验,但在国内、外都尚未见到对此进行 I. Introduction At present, new developments in automobiles are focused on fuel-saving methods or alternative fuels. With regard to the development and research of alternative fuels, there are wide-range distillate fuels, synthetic fuels, alcohol fuels, liquefied petroleum gas, natural gas and the like in the world. However, as a substitute fuel for liquefied petroleum gas (LPG) liquors, there are a few units that have been tested for their use but have not seen this either at home or abroad