No not each and every EV auto ought to be built from scratch like Tesla did, see Ford with their F-150 Lightning. A swap from ICE to EV is entirely viable for present cars and trucks now. Proton can leverage on that possibility to take a position their R&D monies https://cvt-proton18517.eedblog.com/34273761/new-step-by-step-map-for-cvt-proton