Gas prices in the Benton Harbor-St. Joseph area are down 18¢ in the past week according to Triple-A Michigan’s latest survey. The auto club says statewide, we’re down a dime to an average of $2.40 a gallon. Locally, they put the average at $2.31, but you can find gas as low as $2.15 in Benton Harbor and $2.17 in St. Joseph. Go a bit north, and GasBuddy says South Haven prices are as low as $2.10, which is the lowest in West Michigan. According to Triple-A, Flint has the state’s lowest prices at $2.30, while up in Marquette they’re shelling out $2.52 a gallon with the state’s highest prices. Statewide, our prices are up 61¢ from this time last year.