No not each and every EV vehicle must be crafted from scratch like Tesla did, see Ford with their File-150 Lightning. A switch from ICE to EV is fully practical for current vehicles today. Proton can leverage on that risk to invest their R&D monies exactly where it would depend.] https://cvt-proton08530.blogdal.com/34627952/how-cvt-proton-can-save-you-time-stress-and-money