Flying J truck stops (also applies to gas and propane) http://www.flyingj.c..._portal_page_59
Cash price is a 6 cent/gallon discount from credit card/regular price in the US and 3 cent/liter price discount in Canada. Cash price applies when paying for diesel fuel with cash or cash equivalent. Diesel prices are subject to change without notice. The price
Petro Stopping center
*Price listed includes a 7 cent discount off dispenser price for payment by cash or cash equivalents.
Pilot travel center
There's about 60% of the diesel fuel pumped a day. Funny that they'd want you to pay cash for your $700 fuel purchase.
Prices listed are the lowest cash price. The cash price is a 6 cents/gallon discount from the credit card price.