No not just about every EV car or truck need to be designed from scratch like Tesla did, see Ford with their F-150 Lightning. A switch from ICE to EV is fully feasible for existing vehicles nowadays. Proton can leverage on that risk to invest their R&D monies wherever it https://cvtproton64285.webbuzzfeed.com/34668018/not-known-facts-about-cvt-proton