1. A method of detecting RFID tags being moved by a mobile asset/vehicle, the method comprising: actuating an RFID reader to read identifications of proximately located RFID tagged items a first time and storing a first set of read RFID tagged items; actuating the RFID reader to read identifications of proximately located RFID tagged items a second time and storing a second set of read RFID tagged items; comparing the first set of read RFID tagged items to the second set of RFID tagged items to identify RFID tagged items listed in both the first set and the second set; identifying the RFID tagged items listed in both the first set and the second set as being transported by the mobile asset/vehicle.