The average cost for a gallon of E85 flex fuel gas in or near zip code 37055 for the week of July 20-26 is $1.55, according to GasBuddy.com. The lowest price is $1.55.
The average cost for a gallon of regular gas in or near zip code 37049 for the week of July 20-26 is $1.97, according to GasBuddy.com. The lowest price is $1.95.