Threatened by shortages, electric car makers race for supplies of lithium for batteries

Threatened by possible shortages of lithium for electric car batteries, automakers are racing to lock in supplies of the once-obscure “white gold” in a politically and environmentally fraught competition from China to Nevada to Chile.

General Motors Co. and the parent company of China’s BYD Auto Ltd. went straight to the source and bought stakes in lithium miners, a rare step in an industry that relies on outside vendors for copper and other raw materials. Others are investing in lithium refining or ventures to recycle the silvery-white metal from used