The necessity and possibility of fuel saving in motor vehicles are discussed in this paper. The possible approaches for realizing fuel saving in motor vehicles ars explored from various aspects.
论述了汽车用油节能的必要性与可能性，从汽车用油与节能的几个方面探讨了可以实现汽车用油节能的途径。
Fuel saving technology adopted in motor vehicle can reduce pollution of exhaust em mission and fuel evaporation.
采用此技术可以减少汽车的尾气排放污染和燃料的挥发污染。
The testing results proved that the QH4 saving energy coasting device has a remarkable fuel-saving effect to any model of motor vehicles and at any road condition.
试验结果表明，QH 4型汽车节能滑行器对各种车型、道路条件都具有显著的节油效果。
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