This summer, the US natural gas industry celebrated an important milestone. It has been no secret that power generation is the most important growth market for the industry, with natural gas largely competing with coal as the preferred fuel. It was announced this summer by the Energy Information Administration that in April 2012, for the first time in history, the nation generated as much power with natural gas as it did with coal. Exhibit 1 shows the month-by-month convergence of the two fuels' total megawatts generated, from the beginning of 2010 until April.
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机译：今年夏天，美国天然气工业庆祝了一个重要的里程碑。众所周知，发电是该行业最重要的增长市场，天然气在很大程度上与煤炭作为首选燃料竞争。能源信息署（Energy Information Administration）今年夏天宣布，2012年4月，该国使用天然气的发电量与煤炭一样多。图表1显示了从2010年初到4月这两种燃料的总兆瓦的逐月收敛。
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