The average cost of gas at the pump went down two cents per gallon in the Gainesville area since last week. According to Thursday’s weekly AAA gas report, the Gainesville area saw another slight decrease from $3.51 to $3.49 since last week. Meanwhile, the average price per gallon in Florida went up from $3.42 to $3.45, and the national average also increased from $3.50 to $3.52.