已经有数百辆混合动力轿车被转换成了充电式混合动力车。这些车内，充电式电动力已经取代了汽油发动机驱动的发电机。

Hundreds of the Priuses have already been converted to plug-in hybrids, in which some of the electricity comes from plugging into the grid rather than using the gasoline engine to drive a generator.

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它们都包括一个内燃发动机，一个为充电使用的发电机和一个电机。

All incorporate an internal combustion engine, a generator for recharging and an electric motor.

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马自达宣称为了缓解发动机因发电而增加的负担，车辆的燃料能效将提高十个百分点。

By alleviating some of the burden to generate power from the engine Mazda claims it can increase fuel efficiency by up to ten percent.

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