COLUMBIA, SC (WOLO)–Gas prices in Columbia have fallen 12.5 cents per gallon since last week, according to GasBuddy. Drivers in the Midlands are paying an average of $2.68 per gallon. The national average has also fallen, nearly 10 cents. Drivers across the country are paying an average of $3.02 per gallon. Experts say gas prices could drop some more as we head into the Thanksgiving holiday. Categories: Local News Tags: Gas Prices