No not every EV car need to be designed from scratch like Tesla did, see Ford with their File-150 Lightning. A change from ICE to EV is completely practical for current cars right now. Proton can leverage on that probability to speculate their R&D monies wherever it could rely.] It https://cvtproton64173.digitollblog.com/33987481/5-essential-elements-for-cvt-proton