ROANOKE, Va. (WDBJ) – In Roanoke, average gasoline prices per gallon have fallen 4.5 cents in the last week, averaging out to $2.86 gallon as of July 28, according to GasBuddy’s survey of 155 stations.
Prices in Roanoke are 16.8 cents per gallon lower than a month ago and stand 47.1 cents per gallon lower than a year ago.
The national average for a price of diesel fuel increased nearly 2 cents per gallon in the last week to $3.71 per gallon…