A method is provided for recommending a fuel purchase plan along a route to a selected destination. The method includes obtaining a fuel tank size, amount of fuel in the tank, and a fuel efficiency for an automobile. The method further includes accepting user entry of a destination for traveling in the automobile, automatically identifying a current location and determining a route to the destination. For each of a plurality of refueling stations along the route, the method acquires a location of the refueling station and a current fuel price being offered at the refueling station. The method then provides output recommending one or more refueling stations at which to stop and a quantity of fuel to purchase at each of the one or more refueling stations in order to reach the destination without running out of fuel and minimizing the price of fuel purchased.