| In December 2011, the US Department of Energy (DoE) released the 2011 ‘Critical Materials Strategy’, a report that examines the role of materials such as rare earth metals in the ‘clean energy economy.’
The report cautions that the US runs the risk of facing disruptions in its short-term rare earth supply chain until 2015 at least. Shortage of five critical rare earth minerals—dysprosium, europium, neodymium, terbium and yttrium—could create expensive interruptions in the production of electric vehicles, wind turbines and energy-efficient lighting...............................................Full Article: Source
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