Keys to tomorrow’s highway

Washington Post: IN SUSQUES, ARGENTINA It's the lightest of all metals, skitters wildly on water and can unexpectedly explode. To mine it commercially requires an elaborate process involving drilling, evaporation tanks and chemical processing. But if President Obama is to fulfill his goal of putting 1 million electric cars on the road by 2015, a once-obscure metal crucial for the batteries in those cars, lithium, will probably be mined by the tens of thousands of tons here in the high Andes. Its boosters say lithium......

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