Evans Variable Velocity Countershaft A cone CVT varies the push ratio by going a wheel or belt alongside the axis of a number of conical rollers. Tiny industrial vehicles like mild tractors often use them, and you see them on snowmobiles also. The Aussie-created Tomcar smaller off-road automobile (pictured previously mentioned) https://marcojznwg.webbuzzfeed.com/33238449/facts-about-gearbox-cvt-revealed