I have used it since the truck was new.
It can generate a detailed log that can be printed out of every fuel stop's details. Could be important if you get a load of dirty fuel and need to pin the tail on the donkey that had dirty fuel....
WBCCI Life Member 5123, AIR 70341, 4CU, WD9EMC
TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell
2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels