On-need AWD methods push the secondary axle through an Energetic or passive coupling unit or "by an independently driven travel procedure". The normal notes that in some cases, the secondary generate method can also supply the main car or truck propulsion. An case in point is usually a hybrid AWD https://4x429416.blogproducer.com/40177259/detailed-notes-on-Καπάκια-Καρότσας