An embodiment of the invention may include a method, computer program product and computer system for optimizing course understanding. The method, computer program product and computer system may include a computing device to receive fueling location data and vehicle identification data of a vehicle from a radio frequency identification (RFID) transceiver from a plurality of fueling stations. The RFID transceiver may receive the vehicle identification data at the RFID transceiver from a cryptographic RFID transponder as part of the vehicle. The computing device may receive user authentication signals authorizing a plurality of fueling stations from an authorized user of the vehicle. The computing device may determine from the fueling location data, the vehicle identification data, and the user authentication signals one or more fueling patterns. The computing device may detect a fueling location deviating from the one or more fueling patterns send an alert to an authorized device.