Exactly. A Toyota transmission, while a unique overall design, contains commodity parts from a variety of manufacturers. Tesla essentially invented a new transm

Exactly. A Toyota transmission, while a unique overall design, contains commodity parts from a variety of manufacturers. Tesla essentially invented a new transmission (among other things) and that will require a whole new supply chain. Tesla's struggles show just how hard it is to make dramatic strides in a low-margin, high-capital cost, supply chain dependent industry such as automobile manufacturing.