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FILE - In theis Sunday, Jan. 16, 2011 file photo, an Emirati man pass by 10mw photovoltaic plant at Masdar City in Abu Dhabi, United Arab Emirates. The dean of a research institute at the core of Abu Dhabi's green-energy city said Sunday the government remains firmly committed to renewable power after recent shifts in the ambitious project's goals. Masdar City was originally conceived as a self-contained "carbon-neutral" community of 40,000 residents and even more commuters where cars would be banned and waste and water would be recycled.(AP Photo/Kamran Jebreili, File)

Associated Press
FILE - In theis Sunday, Jan. 16, 2011 file photo, an Emirati man pass by 10mw photovoltaic plant at Masdar City in Abu Dhabi, United Arab Emirates. The dean of a research institute at the core of Abu Dhabi's green-energy city said Sunday the government remains firmly committed to renewable power after recent shifts in the ambitious project's goals. Masdar City was originally conceived as a self-contained "carbon-neutral" community of 40,000 residents and even more commuters where cars would be banned and waste and water would be recycled.(AP Photo/Kamran Jebreili, File)
FILE - In theis Sunday, Jan. 16, 2011 file photo, an Emirati man pass by 10mw photovoltaic plant at Masdar City in Abu Dhabi, United Arab Emirates. The dean of a research institute at the core of Abu Dhabi's green-energy city said Sunday the government remains firmly committed to renewable power after recent shifts in the ambitious project's goals. Masdar City was originally conceived as a self-contained "carbon-neutral" community of 40,000 residents and even more commuters where cars would be banned and waste and water would be recycled.(AP Photo/Kamran Jebreili, File)
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