On I-74 in Indiana today I was attracted by a low price of $3.66 per gallon at the Crawfordsville Pilot. I pulled in only to discover at the pumps there was a sign "Auto Diesel $3.96". After filling up I was charged $3.98.  Looking back at the big lighted pricing sign I noted in very small letters "Exempt Trucks". A little farther along I-74 I noted the same kind of pricing and fine print at Love stations. The fine print on some signs says "#2 Diesel". Tax free pricing is common for agricultural and off road vehicles but never for road vehicles. Beware of low prices in Indiana. Is this false advertising? It's not close what you will pay.