About Comdata and T-Chek averages:
Average prices for Comdata are based on seven-day cash card transactions from more than 6,500 truck stops. All taxes are included.
T-Chek prices are Monday-through-Friday averages. The retail price is based on
self-service purchases at more than 4,500 truck stops and includes all taxes.
The T-Chek wholesale price is based on terminals and suppliers from 308 cities
throughout the United States.