1. A method of producing a numerical ranking indicative of a performance of a driver based on a plurality of metrics corresponding to the driver's operation of the vehicle, comprising the steps of: (a) while the driver is operating the vehicle, automatically collecting at least one of: (i) the plurality of metrics, each of the plurality of metrics corresponding to the performance of the driver while operating the vehicle; and (ii) data that are used to calculate the plurality of metrics; (b) for each of the plurality of metrics, automatically determining a numerical value for the metric; (c) automatically combining the numerical values for the plurality of metrics to achieve a numerical performance value; and (d) automatically normalizing the numerical performance value to achieve the numerical ranking indicative of the performance of the driver.