There are some tips for motorists who want to improve air conditioning and their gasoline mileage without buying gas-saving gadgets.
有些开汽车的人想要改进车内的空调状况和每英里平均耗油量而又不必购置省油的装置，这里有些建议可供他们参考。
Gasoline electric hybrid models like the Toyota Prius improve mileage by a further 20 percent over conventional models.
像丰田普锐斯这样的汽油电动混合动力车比传统车型的行驶里程提高了20%。
Diesel fuel has a higher energy density than gasoline, so a diesel engine gets better mileage.
柴油比汽油能量密度更高，所以柴油发动机行程更长一些。
Production of carbon dioxide, the main heat-trapping gas, is proportional to fuel use, and the Smart claims to be the highest-mileage car powered by gasoline on the American market.
作为一种主要的截热气体，二氧化碳的产生量与燃油用量成正比，而奔驰精灵自称是美国市场单位燃油行驶里程最长的汽油驱动车辆。
Similarly, compressed natural gas gives roughly the same mileage per litre of fuel, but costs only about half the price of regular gasoline.
同样，压缩天然气给大致相同的里程每升的燃料，但成本只有大约半数的普通汽油的价格。
Boosting mileage from 10 to 11 MPG and 33 to 50 MPG saves the same amount of fuel in the end: one gallon of gasoline every 100 miles.
把每加仑里程数从10增加到11与把里程数从33增加到50最终省下的燃料是一样的：即每100英里省油1加仑。
Using a higher octane gasoline than that will not make your car achieve better mileage, move faster, run cleaner or improve its operations in any way.
使用高辛烷值汽油，将会让你的车没有达到更好的里程，移动得快，跑的清洁剂或提高其运营有任何影响。
With gasoline prices at a present "low" of $1.16… to more than $1.50 for super-unleaded with service, a doubling of mileage could mean considerable dollar savings.
与汽油价格在目前的“低”的1.16美元…以上的1.50美元，超无铅与服务，增加一倍飞行哩数，可能意味着相当的港元储蓄。
With gasoline prices at a present "low" of $1.16… to more than $1.50 for super-unleaded with service, a doubling of mileage could mean considerable dollar savings.
与汽油价格在目前的“低”的1.16美元…以上的1.50美元，超无铅与服务，增加一倍飞行哩数，可能意味着相当的港元储蓄。
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