More diverse and abundant sources, which are making gas more coal-like, should also make it easier for electricity generators to switch from coal to gas.

因为有了更多样化及丰富的来源，天然气与煤炭更像了，这使得发电机更易从用煤转而用天然气。

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But the new approaches are expensive, making it difficult to compete financially with conventional electrical plants, notably those that burn coal or gas.

但是新的开采方法相当昂贵，很难与常规电站，特别是燃煤或燃气电站，在财务上竞争。

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Thermal power plants arc those making use of fuels like coal, petroleum and natural gas.

火电是利用煤、石油、天然气等作为燃料的发电厂。

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We will be making gas from coal and importing cheap liquid natural gas from South America.

NPR: Energy Bill Leaves Conservation on Back Burner

The fall in the number of LNG shipments was blamed on steep increases in the cost of imported gas making coal cheaper for power generation.

BBC: LNG demand fall hits Milford Haven port profits

Finally, higher non-shale, natural gas prices are making coal an attractive alternative.

BBC: Coal resurgence calls undermine clean energy commitments