Philip Summerton, of Cambridge Econometrics, explains that, with a general carbon tax replacing specific, expensive subsidies for renewable energy, more gas-fired power stations would be built.

剑桥计量的Philip Summerton解释道，对碳排放征税代替了具体的高昂的可再生能源补贴，就将建成更多的天然气发电站。

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But a higher tax rate could drive emissions down, says Mr Summerton, and, in return for slightly more emissions, Britain gains a significantly bigger economy and a useful revenue stream.

ECONOMIST: Taxing carbon