(CNN)– Some welcome news for drivers, gas prices are continuing to fall.   AAA says the average price for a gallon of gas in the U.S. is now $3.86 a gallon. In South Carolina the average price is nearly 40-cents cheaper at $3.47 a gallon. Gas though is nearly 30% higher than before the Iran Wa r. Categories: Local News, News, Politics Tags: Columbia gas prices, gas price, Gas Prices, lower gas prices, national gas prices, Oil Prices, SC gas prices, South Carolina, South Carolina gas prices ...read more read less