Five rare earths crucial for clean energy seen in short supply

Bloomberg: Limited supplies of five rare-earth minerals pose a threat to increasing use of clean-energy technologies such as wind turbines and solar panels, a U.S. Energy Department report found. The substances -- dysprosium, terbium, europium, neodymium and yttrium -- face potential shortages until 2015, according to the report, which reiterates concerns identified in a report a year ago. The 2011 report studied 16 elements and related materials, including nickel and manganese, which are used to make......

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