1. A powertrain control system for a plugin hybrid electric vehicle (PHEV), the system comprising: an adaptive charge sustaining controller; at least one internal data source operably connected to the adaptive charge sustaining controller; and a memory connected to the adaptive charge sustaining controller for storing data generated by the at least one internal data source, wherein the adaptive charge sustaining controller is operable to select a mode of operation of a powertrain of the plugin hybrid electric vehicle along a given route based on programming generated from data stored in the memory associated with that route.