“Even though the panel will not be large enough to power the entire car, it could provide enough power to switch the engine off and on when the car is stopped at a traffic light, ” he said.

“尽管面板不能提供整辆车的动力，但是当车遇红灯停下时，它足以提供发动机熄火和启动所需的能量了。” 他继续说。

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Hybrid vehicles, such as Toyota's top-selling Prius, switch between a petrol engine and electric motor.

像丰田销量最好的普锐斯(Prius)这样的混合动力汽车，会在汽油发动机和电力马达之间切换。

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The stop/start-enginenotifications could switch the engine off and on automatically, or they couldtrigger alerts to the driver to turn it off/on manually.

这种引擎开/关通知可以自动地在开启与关闭之间切换，或者该系统也可以给司机发送“戒备信号”让司机自己动手开启或关闭汽车引擎。

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You switch the engine on.

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Some car companies are rolling out hybrids that can switch over to a gasoline engine when the battery runs low.

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