Gas price tracking website GasBuddy reports the average prices in Virginia for regular fell 3-1/3 cents per gallon in the last week, averaging $3.21. Prices are 11 cents per gallon lower than a month ago and nearly 19 cents a gallon lower than a year ago. The national price of gasoline was unchanged in the last week, averaging $3.37. Analysts say February tends to be the month with some of the lowest gasoline prices of the year.