聆风被评定为在城市行驶时相当于每加仑汽油行驶里程106英里，高速路上为92英里。

The Leaf is rated as delivering the equivalent of 106 mpg in city driving and 92 mpg on the highway .

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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%。

Gasoline electric hybrid models like the Toyota Prius improve mileage by a further 20 percent over conventional models.

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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。

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.

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