Panasonic Agrees to Help Tesla Build Its GigafactoryPanasonic support is crucial if Tesla is to make the world’s largest factory for making electric car batteries. Tesla Motors says it has reached an agreement with Panasonic, a major lithium-ion battery supplier based in Japan, to help the electric car maker build a previously announced massive battery factory. The factory, which Tesla calls a gigafactory, is expected to be able to produce more bat
