Average retail gasoline prices in Indiana have fallen 13.4 cents per gallon in the past week, averaging $2.46/g yesterday according to GasBuddy's daily survey of 3,271 gas outlets in Indiana. That compares with the national average of $2.57/g accordingto GasBuddy.com. Prices yesterday were 74.8 cents per gallon lower than the same day one year ago and are 45.4 cents per gallon lower than a month ago.