Virginia gas prices have fallen 5.2 cents per gallon in the past week, averaging $2.45/g today, according to GasBuddy’s daily survey of 4,081 stations. Gas prices in Virginia are 14.8 cents per gallon lower than a month ago, yet stand 21.0 cents per gallon lower than a year ago. In Martinsville, the Daytona on Memorial Boulevard, and the Liberty Street Market and the CITGO on Liberty Street all have the least expensive gas reported at $2.29 a gallon.