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General Motors has struck a deal with a mining company to source lithium, a key ingredient in electric-car batteries, from geothermal deposits in the US. The automaker is making a “multi-million dollar” investment in Australia’s Controlled Thermal Resources (CTR) to bolster the mining firm’s efforts to extract lithium from California’s Salton Sea Geothermal Field.
It’s a risky bet by GM, given that there is no full-scale lithium production in the US from geothermal wells. Most of the world’s lithium comes from two places: lithium brine deposits in South America’s “lithium triangle” of Argentina, Chile, and Bolivia; and hard-rock deposits in Australia. But its a sign that GM is trying to think holistically about the challenge of becoming…
