In Bolivia Lies Half of the World's Lithium

In Bolivia, Untapped Bounty Meets Nationalism - NYTimes.com: "In the rush to build the next generation of hybrid or electric cars, a sobering fact confronts both automakers and governments seeking to lower their reliance on foreign oil: almost half of the world’s lithium, the mineral needed to power the vehicles, is found here in Bolivia — a country that may not be willing to surrender it so easily."