The efficiency of a coal-fired thermal plant is typically in the range of 30%-35%. In a combined cycle gas turbine system running on natural gas, the maximum efficiency is in the range 45%-50%.

烧煤的热电厂的效率通常在30%到50%之间，使用天然气的联合循环燃气轮机系统最大效率在45%到50%之间，而很多专家认为高温燃料电池的效率可达到80%至85%。

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Thanks to a 30% federal tax credit, that works out as much the same as a combined-cycle gas-turbine plant-but without the noise and fumes.

这和我们国家用30%的税收建成的一座联合涡轮燃气发电厂的产能一样，不同的是，人家不产生噪音和废气。

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Integratedgasification combined cyclesystem, using both gas and steam turbine offers significant improvement in overall system efficiency an.

煤气化联合循环发电同时采用燃气轮机和蒸汽轮机发电，使环境控制和总系统效率有相当大的提高。

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"Our boilers and combined heat and power turbine are over 20 years old now and like anything else it wears out, " he said.

BBC: Addenbrooke's Hospital plans ?36m energy centre

Thanks to a 30% federal tax credit, that works out as much the same as a combined-cycle gas-turbine plant but without the noise and fumes.

ECONOMIST: Tech.view

To supply the extra juice, utilities turn on inefficient single-cycle gas turbines, which turn 25% of the fuel's energy into electricity, as opposed to 45% for combined-cycle plants that use turbine exhaust to make steam to run a second generator.

FORBES: Magazine Article