COLUMBIA, S.C.(WOLO)– The average price of gas in South Carolina has fallen a significant 10 cents per gallon in the last week, according to Gasbuddy. The average price per gallon in South Carolina is $2.27 a gallon, more than 50 cents lower than this time last year. Experts say gas price s will likely continue to decline into the Summer. Categories: Local News, State Tags: Columbia gas prices, Gasbuddy, SC gas prices, South Carolina ...read more read less