The Murphy USA at 1341 Walker Chapel Road is selling the cheapest diesel gasoline in Fultondale for the week of August 17-23, according to GasBuddy.com.
The average cost for a gallon of regular gas in or near zip code 35142 for the week of August 17-23 is $1.86, according to GasBuddy.com. The lowest price is $1.83.