目前由于世界石油资源逐渐枯竭，石油争夺战异常激烈，油价经常大幅度波动，已经影响国民经济的稳定发展。我国石油资源并不丰富；加之燃油汽车废气污染十分严重，是影响人类生活生存和社会经济可持续发展的因素之一。随着世界经济的飞速发展，全球以汽油、柴油为燃料的汽车保 At present, due to the gradual depletion of the oil resources in the world and the fierce oil war, the frequent and drastic fluctuations in oil prices have affected the steady development of the national economy. China’s oil resources are not rich; coupled with the very serious pollution of fuel-efficient automobile exhaust gas is one of the factors that affect the survival of human beings and the sustainable development of social economy. With the rapid development of the world economy, gasoline and diesel-fueled cars are used globally