BEIJING -- Tesla has received approval from China to assemble electric cars with batteries that contain an alternative to cobalt, an expensive metal whose production is linked to child labor.
Shift to new technology cuts costs and improves supply stability
A Tesla showroom in Shanghai in May: The electric-car brand is changing what powers its made-in-China cars. © Reuters
BEIJING -- Tesla has received approval from China to assemble electric cars with batteries that contain an alternative to cobalt, an expensive metal whose production is linked to child labor.