NPR: The new gold rush? Lithium

Listen to this NPR story online: The Obama administration wants to see 1 million plug-in hybrid electric cars on the roads by 2015. That's going to require the production of a lightweight metal now used for everything from cell phone batteries to the treatment of mood disorders. It's lithium, and to get it requires going far from American shores. That has mining companies scrambling to secure mining rights in the far reaches of the world.

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