With new technological advances and mass production, projected cost declines should make wind power one of the world's cheapest ways to produce electricity.

随着新的技术进步和大规模生产，预计成本的下降将使风力发电成为世界上最便宜的发电方式之一。

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Wind power has a significant cost advantage over nuclear power and has become competitive with coal-fired power plants in many places.

与核能相比，风力发电具有显著的成本优势，已经在多方面与燃煤电厂形成竞争。

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The marginal cost of producing wind power is almost nothing, since the fuel—wind—is free.

因为风是免费燃料，所以风能的边际成本几乎为零。

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Mr. Son estimates that Mongolian wind power would cost around three to four yen (four to five cents) per kilowatt-hour, if land for wind farms could be leased virtually free.

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The wind power's cost is as much as twice that of conventional power, but because it would be a small portion of the overall energy pool, consumers would see at most a 2.2% increase to their monthly bills, according to estimates in a 2010 report by Massachusetts regulators.

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Subsidizing and otherwise mandating the use of high cost wind and solar power in the face of burgeoning production of low cost natural gas will hurt the middle-class and poor.

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