Chongqing is not only the great serious acid rain city in China, but also one of three large acid rain regions.

重庆系我国酸雨最严重的城市，也是世界三大酸雨区之一。

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This includes large swaths of the Great Plains, the Gulf Coast and the Intermountain West, three regions that, as I point out in a recent Manhattan Institute study, have withstood the great recession far better than the rest of the country.

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So we are a long way off from large-scale production in most non-Gulf coastal regions, and hence that whopping three cents a gallon reduction in gasoline prices may be pushed off past 2030.

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