Gas prices really jumped in the past day, AAA numbers show

Gas prices have gone up in the past several days and they’ve gone up fast. Just waiting an extra day to fill the tank may have cost you a couple dollars at the pump. AAA reports the average cost of a gallon of gas in Madison leaped by more than 17 cents in the past day. With drivers shelling out, on average, $3.844 per gallon, they are paying nearly 30 cents more than last Thursday.