Yes they had Iriz EV, but even that bit of tech has marched on and shifting toward inwheel motors which Proton could leverage on Bosch as their usual tech companion. A. Rubberband effect is from CVT's that existed thirty many years back, we utilize a steel belt so not applicable. https://cvt-proton29628.blogunteer.com/32729813/a-secret-weapon-for-cvt-proton