Patent ID: 8396662

Claim:
A system for elucidating ghost trips in a fleet of vehicles, the system comprising: a plurality of vehicles each equipped with a movement detector for detecting movements of the vehicle and a recorder for recording detected movements of the vehicle and recording driver login and logout events; and a server comprising a processor and one or more non-transient computer readable media storing computer readable instructions, which, when processed by the processor, cause the processor to: receive, from one of said recorders in one of said vehicles, data representing a period of unauthorized movement of said one vehicle; determine durations for which each of a plurality of drivers were not logged into any of the vehicles; determine whether any of the durations include the period of unauthorized movement; and if one or more of the durations includes the period of unauthorized use, assign to each driver to which said one or more durations correspond, a likelihood of being responsible for the unauthorized movement.