The average price of a gallon of gas in the Bradenton-Sarasota-Venice area has increased 6.9 percent in the past month, according to data compiled by AAA. The current price stands at $2.31, compared to $2.16 one month ago. The average is still lower than the average one year ago, which was $2.68. The average in the state of Florida as a whole is currently $2.35.