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Shiho Fukada for The New York Times
Components of wind turbines at a factory in Tianjin, China. Shifting to sustainable energy could leave the West dependent on China, much as the developed world now depends on the Mideast.
TIANJIN, China China vaulted past competitors in Denmark, Germany, Spain and the United States last year to become the worlds largest maker of wind turbines, and is poised to expand even further this year.
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