average price of gas in mississippi
1 The average price of gas in South Carolina is $2.00 per gallon, and will likely fall below that mark before Labor Day weekend begins. 2  Average prices in Alabama and Mississippi also may fall below $2 per gallon over the next week.he average price at the pump is discounted by more than $1 per gallon in 30 states and Washington D.C. year-over-year, and consumers in Hawaii (-$1.30) and Connecticut (-$1.22) are saving the most per gallon over this same period.