Toronto Sun article - FCC permitted smelter mentionned Beyond the parts makers, there are the other suppliers that come into play for electric vehicles and battery components, much of it in mining towns across northern Ontario.
“You’ve got nickel in Sudbury. In the town of Cobalt, they not only mine cobalt, they have a permitted smelter,which is a rare commodity in North America,” the provincial source said.
https://torontosun.com/opinion/columnists/lilley-ford-goes-electric-ontario-poised-to-win