Prices are based on the condition of the airplane and installed avionics.
AircraftTypeBaseCruiseMember RateEquipment

For those aircraft on wet rates, members who fuel elsewhere on their trips are credited their account the cost of fuel at the aircraft base location.

Example: You take Piper Aztec N14028 which is based at JQF on a trip to Wilmington and you fuel 50 gallons at Wilmington. You're account will be credited 50 gallons x JQF avgas fuel price.