A Minnesota project has to overcome tribal and environmental concerns. But the U.S. needs its own source of nickel, which is key to electric-vehicle expansion.
The future of US-made electric-vehicle batteries might be found in a modest white shed in Tamarack, Minnesota, population 104.
Beneath bright fluorescent lights, foot-long cylindrical pieces of rock are laid out in cardboard boxes, where they sparkle with grains found in the millions of pounds of nickel that Tesla Inc. committed to buy on Jan. 11. That commitment has the potential to turn into a savvy buy for the electric carmaker.