Road Pricing: Mileage based usage fees - distance based charging - vehicle mileage tax - a future?

Road Pricing: Mileage based usage fees - distance based charging - vehicle mileage tax - a future?: "MBUF is the latest acronym applying to something that is also called VMT (Vehicle Mileage Tax).   What is common with all references is that it is a form of road pricing based on distance travelled.  At its simplest, it means a vehicle pays on a per kilometre (or mile) as distinguished from traditional tolling which I describe as "point based" charging"