使用混入了酒精的燃油会降低燃油经济性。
新设计的传动比提高了装载机的燃油经济性。
燃油经济性是载货汽车最重要的性能指标之一。
Fuel economy is one of the important performance target for the cargo truck.
压力损失则影响着发动机动力性和燃油经济性。
Press losing can influence dynamics of engine and economy of fuel.
汽车动力性和燃油经济性是汽车的两个重要性能。
Two important performance of automobile is power and fuel economy.
没有停顿的稳定车速通常会有最好的燃油经济性。
Steady speeds without stopping will usually give the best fuel economy.
然而，有办法，以燃油经济性和安全性在同一时间。
However, there are ways to serve fuel economy and safety at the same time.
但是，它的沉重打击重量从性能和燃油经济性减损。
However, its heavy curb weight detracts from performance and fuel economy.
同时，发动机的燃油经济性也得到了改善，最大降幅达到了3.62%。
Meanwhile, the engine's fuel economy also improved, the biggest drop has reached 3.62%.
同时，发动机的燃油经济性也得到了改善，最大降幅达到了3.62%。
Meanwhile, the engine's fuel economy also improved, the biggest drop has reached 3.62%.
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