By reducing the need for coal-fired power plants, China Longyuan also earns carbon credits under the Kyoto protocol on global warming.

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The government obliges distributors to buy all wind power at preferential tariffs, taking much of the risk out of China Longyuan's business.

ECONOMIST: A Chinese wind-power IPO: Puffed up | The

On the plus side, the fund is invested in the Chinese market via shares in the China Longyuan Power Group and the China Ming Yang Wind Power Group (MY).

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