No not each individual EV motor vehicle must be designed from scratch like Tesla did, see Ford with their File-150 Lightning. A switch from ICE to EV is entirely viable for current automobiles these days. Proton can leverage on that possibility to invest their R&D monies where it would count.] https://finnudjkp.creacionblog.com/33985425/the-best-side-of-cvt-proton