FORT WAYNE, Ind. (WOWO): Gas prices have fallen 13 cents the past week in Fort Wayne, averaging $3.39 per gallon yesterday. Nationally, the average has gone up over 2 cents in the last week. Patrick DeHaan with GasBuddy.com says the national average has now dropped to its lowest level since February, and with the end of the summer driving season nearing, we'll likely see prices continuing the downward trend.