In talks with Volkswagen, Siemens, page-104

"Even with the battery-purchase deals, Volkswagen’s power-supply issues are still far from over. The company, which has struggled to secure sources of cobalt, a critical component for modern batteries, said that it’s working on ways to reduce the amount of the element needed for its electric cars, suggesting ongoing concerns even after setting up supplies for its initial electric-car rollout. "

We have the answer......

Laters..