Once attached to the rail, the car will become electrically powered from the system, and control of the vehicle will pass to a central computer.

一旦连接到轨道上，汽车将由系统提供电力，由中央计算机控制。

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But barely 1% of industry sales last year were hybrid or electrically powered vehicles.

但是，在去年的行业销售中，仅有不到1%来自于混合或电动车辆。

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When engines are required an electrically powered water jet can be fired from below the stern to propel the boat forward.

当需要引擎时，一道电动水射流可以从船尾下面点火推动船前进。

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And electrically powered trains would emit less nasty carbon than fossil-fuelled aircraft.

ECONOMIST: High-speed rail

Even those jobs that demand physical labor -- manufacturing, for example -- are much less grueling than they used to be, as electrically powered machines do the lifting and shifting that used to consume human energy.

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Finally, AgustaWestland surprised the HeliExpo crowd by revealing that it has been secretly testing an electrically powered tiltrotor, mixing the versatility of a vertical takeoff and land helicopter with the speed and range of a fixed-wing aircraft.

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