GM has been promoting its plan to build a plug-in hybrid car called the Chevrolet Volt, which if built as planned could run for as many as 64 kilometers on electricity alone.

通用汽车一直在推广雪佛兰的Volt (Chevrolet Volt)可充电混合动力车计划，根据设计，这款汽车可在仅使用电力的情况下最多行驶64公里。

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At the time it was heralded as the world's first mass-produced plug-in hybrid car, a saloon with a battery that can see it travel up to 80 miles before the petrol engine kicks in.

当时，它被誉为世界第一台大规模投产的可充电混合动力汽车，这辆配有一块电池的轿车可以在汽油发动机开始工作前行驶80英里。

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Mr McCain is touting this, along with GM's plans for a plug-in hybrid car, as evidence that American ingenuity can solve a lot of problems, from high petrol prices to global warming.

麦凯恩正在拉拢通用汽车，进入通用汽车生产双动力汽车的计划，作为美国智慧可以解决很多问题的明证，从高油价到全球温室问题都是如此。

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We can imagine the day when you'll be able to charge the battery on your plug-in hybrid car at night, because your smart meter reminded you that nighttime electricity is cheapest.

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Another start-up, Fisker Automotive, will debut with the sexy Karma, a plug-in hybrid sports car, then launch a sedan of its own.

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Of course, there are some high-profile debuts, most notably the Chevrolet Volt plug-in hybrid, perhaps the most-hyped car in history, and the Nissan Leaf all-electric, both due in November.

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