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Goal provides heat alternative

机译:目标提供热量替代

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摘要

Coal use in the United States reached a peak about 1910 when fossil fuels became plentiful. At the present time, its use is limited mostly to electricity generation and a few larger industrial plants. With more than 1,600 billion tons of known reserves, it has great energy potential for the foreseeable future. There are 1,400 mines in 23 states supplying more than 1.1 million tons per year. Coal is available within proximity to most greenhouse operations.
机译:当化石燃料变得丰富时,美国的煤炭使用量达到了1910年左右的峰值。目前,它的使用主要限于发电和一些较大的工厂。它拥有超过16,000亿吨的已知储量,在可预见的未来具有巨大的能源潜力。 23个州有1400座矿山,每年供应超过110万吨。大部分温室作业附近都可以使用煤炭。

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