No not each individual EV auto need to be crafted from scratch like Tesla did, see Ford with their F-150 Lightning. A change from ICE to EV is totally viable for present autos nowadays. Proton can leverage on that possibility to invest their R&D monies the place it could depend.] https://cvtproton18394.blogdeazar.com/34338129/top-latest-five-cvt-proton-urban-news