The emergence and rapid growth of electrically-powered road vehicles has become a key issue for consideration when assessing the outlook for refined products demand.  At this early stage of development, forecasts of the extent to which electric vehicles will play a role in future transport fleets vary widely, thanks to a complex set of interdependent market drivers, each of which is subject to considerable uncertainty.  Based on these varying drivers, this report will provide a range of scenarios for EV fleet growth, and assess their potential impact on the consumption of gasoline and diesel.