The four wind turbines dug into northern Canada's tundra that power Rio Tinto Group's $5.2 billion Diavik diamond mine are the world's first designed to work in gusts as cold as 40 degrees below zero.
URL: http://www.renewableenergyworld.com/rea/news/article/2012/12/remote-miners-investing-in-renewables-to-power-operations?cmpid=rss
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