As you'll be able to see from the cutaway from the D-CVT, you will find added gears plus a planetary gear set fitted on the input and output shafts from the pulleys, using a clutch pack to engage or disengage the latter. The eCVT method includes an internal combustion motor, https://d-cvt63050.blogspothub.com/32921249/a-secret-weapon-for-d-cvt