Already there are many alternative fuel vehicles on the market, powered by anything from solar power to natural gas.

市场上已经有很多替代燃料汽车，其动力来源从太阳能到天然气无所不包。

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By the end of 2009, China had the third largest installed capacity of wind power in the world, and a market growing at a rate that is likely to be the largest in the world in the coming years.

2009年，中国的风电装机容量位居世界第三，而市场增长速度之快使其有望在未来几年跃居世界第一。

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By making its own polysilicon and building its own power plants, it hopes to protect itself from the vagaries of supply in an immature market and also boost demand for its products.

通过制造自己的多晶硅和修建自己的太阳能电厂，它期望自身能免于不成熟市场中变幻莫测的供应造成的伤害，同时期望提高对其产品的需求。

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Pricing and profitability are often determined by market power and payer mix.

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Cost controls need to be strengthened, by enhancing the market power of insurers as against providers: the insurance exchanges should be national, not state by state.

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One area where Mr Davis can claim a political victory, if not necessarily a financial one, concerns the abuse of market power by generators.

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