This is more efficient, and therefore greener, than burning gas to generate electricity in a power plant and then transmitting it through the grid.

这相比在发电厂燃烧煤气以产生电，然后通过输电网传输更为高效和环保。

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If a million Vehicle-to-Grid (V2G) cars were on the road by 2020, they could generate up to 10,000 megawatts of electricity –about the capacity of 20 average-size power plants.

如果在2020年，电动汽车（V2G）的数量达到一百万，它们将产生一万兆瓦的电量——大概是20座普通发电厂的发电量。

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It plans to build a slurry-fuelled power station that will generate enough electricity to power the farm, with plenty left over to sell to the national grid.

该公司计划建设一个浆燃料发电站，它将给农场输送足够的电力，大量剩余的则出售给国家电网。

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As feed-in tariffs expand to countries around the world, allowing early adopters a premium price for the green electricity they generate and sell back to the grid, the collection technologies will become ever more efficient and cheaper.

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The deal has been helped along by the courts, which have recently upheld a power purchase agreement it had with National Grid to buy half of the power that it would generate.

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