Many fleets have a small tanker truck that travels the lot and refuels vehicles. Since posting fuel to this vehicle would throw off fuel usage and MPG reports, a routine is provided so you can make a transfer directly from a tank to a tanker unit, posting the fuel to the pump and not to the tanker vehicle. The tanker unit acts as a secondary tank and should be assigned a unique tank and pump number for posting purposes. To transfer fuel to a tanker vehicle, do the following: