1.引言在世界能源需要量不再增长的前提下,现在可经济开采的化石能源(石油和煤炭)按理论计算还分别够用约30和250年。在西德总消费量中,石油占的比例很大。不过可以看到,1973年以后,一直不断增长的原油消费量已缓和下来。为了使现有的能源能使用更长的时间,当务之急是进一步降低其消耗量。下面拟从汽车工业的角度介绍一下现有汽车的节能途径,同时对用于汽车能源的代用办法作一番分析。2.汽车改造的可能途径在西德,今天汽车的燃料消耗量是按 DIN 70030的规范测定的,并且针对不同的用户作出相应的规 1. INTRODUCTION Economically exploitable fossil fuels (oil and coal) are still theoretically available for about 30 and 250 years, respectively, as the world’s energy needs continue to grow. In West Germany’s total consumption, oil accounts for a large proportion. However, we can see that after 1973, the ever-increasing consumption of crude oil has eased up. In order to make existing energy use longer, it is imperative to further reduce its consumption. The following to be from the perspective of the automotive industry to introduce the existing car energy saving ways, at the same time for the car energy alternative methods for some analysis. 2. Possible ways to retrofit vehicles In West Germany, the fuel consumption of a car today is measured according to DIN 70030 and the corresponding regulations are made for different users