Gas prices headed down

GasBuddy.com, a gasoline price website based in Gaithersburg, predicts the lowest autumn gas prices in four years this season. Last week, the national average per gallon for regular unleaded was just under $3.78. GasBuddy’s analysts say prices will fall to $3.15 to $3.25 this fall, with some U.S. consumers — including those in Maryland — seeing prices under $3.