CVT doesnt need the engine to rev to 13000rpm. You pick an RPM and accelerate by changing the ratio. On a gas engine it hits the RPM that its most efficient and stays there. The electric engine since its pretty efficient everywhere you could pick any RPM really, and for regenerative braking have it adjust the RPM accordingly based on how hard you want to brake.
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You fail at engines.
CVT doesnt need the engine to rev to 13000rpm. You pick an RPM and accelerate by changing the ratio. On a gas engine it hits the RPM that its most efficient and stays there. The electric engine since its pretty efficient everywhere you could pick any RPM really, and for regenerative braking have it adjust the RPM accordingly based on how hard you want to brake.