No not each and every EV automobile need to be built from scratch like Tesla did, see Ford with their File-150 Lightning. A switch from ICE to EV is entirely viable for existing vehicles these days. Proton can leverage on that possibility to invest their R&D monies wherever it would https://cvt-proton08416.blogdun.com/34839501/top-latest-five-cvt-proton-urban-news