In big cities (especially Beijing, in preparation for the Olympics), coal-fired heating and power plants are having to be modified to run on natural gas.

在大城市(尤其是北京，为奥运会做准备)，烧煤供热和电厂正被改造使用天然气。

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It results in the schematics of the theoretical solar chemical pump system and the coal-fired heating system, as well as the cost comparison chart of two systems under the same conditions.

结果给出太阳能化学热泵理论系统和燃煤供热系统原理图和在相同条件下供热时两种系统经济支出的对比图。

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But industry experts have yet to reach a consensus on this claim, as coal-fired central heating often leads to smoggy weather.

不过业界专家们并未就此达成一致，因为燃煤集中供暖往往会导致雾霾天气。

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Provincial governments will also use the funds to build more efficient heating systems and to reduce pollution from coal-fired power plants.

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