Vermont Business Magazine Average gasoline prices in Vermont are $4.20 per gallon, down 2.8 cents per gallon from last week's $4.23/g. Average gasoline prices in Burlington have fallen 3.6 cents per gallon in the last week, averaging $4.23/g today, according to GasBuddy's survey of 100 stations in Burlington. Prices in Burlington are 27.2 cents per gallon higher than a month ago and stand $1.14/g higher than a year ago. The national average price of gasoline has fallen 0.8 cents per gallon in the last week, averaging $4.05/g today. The national average price of diesel has increased 7.1 cents compared to a week ago and stands at $5.326 per gallon.