At alternative source of energy field we are looking for energy gained from piezoelectric effect.

在能源领域可选资源中，我们希望通过压电作用产生能量。

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By far, the most promising alternative source of energy for cars is the hydrogen-based fuel-cell engine, which USES hydrogen to electricity that, in turn, powers the car.

目前为止，氢燃料电池发动机是最有竞争力的汽车动力代替品。氢燃料电池发动机是用氢作燃料产生电能以充当汽车的动力。

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By far, the most promising alternative source of energy for cars is the hydrogen-based fuel-cell engine, which USES hydrogen to create electricity that, in turn, powers the car.

目前为止，氢燃料电池发动机是最有竞争力的汽车动力代替品。氢燃料电池发动机是用氢作燃料产生电能以充当汽车的动力。

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Higher prices would also lead consumers to opt for alternative source of energy, which OPEC would want to avoid.

FORBES: Resurgent Thirst For Crude Takes Anadarko To $80+

They are home to the strangest ecosystems known, in which organisms get by without sunlight, using as an alternative source of energy the sulphurous gases spewed from deep inside the earth.

ECONOMIST: 20,000 leagues under the sea

And conservative America, once solidly sceptical, is now split over the issue, as Christians concerned about mankind's stewardship of the Earth, neo-cons keen to reduce America's dependency on the Middle East and farmers who see alternative energy as a new potential source of energy come round to the idea of cutting down on carbon.

ECONOMIST: Climate change