Gas prices decreased 19 cents per gallon, or 5.4 percent, in September, which was the largest monthly decline since October 2012.
Triple-A says the national average has declined for 29 days in a row, which is the longest consecutive decline since April 2012. The national average of $3.40 per gallon is the lowest since January 30, 2013.
In Winona, gas was selling for lower than that at $3.25 a gallon today.
Triple-A spokesman Avery Ash said most drivers are paying the lowest gas prices in more than eight months due to the abundant gasoline supplies, the end of the summer driving season, lower oil costs, and the switchover to winter-blend gasoline
Much of the country switched to using less expensive winter-blend gasoline on September 15th. Winter-blend gasoline can cost as much as 10-15 cents per gallon less to produce than the equivalent summer fuel because it is not required to meet stricter air regulations......