Average retail gasoline prices in Indiana have fallen 13.9 cents per gallon in the past week, averaging $2.04/g yesterday according to GasBuddy's daily survey of 3,271 gas outlets in Indiana. This compares with the national average that has fallen 9.6 cents per gallon in the last week to $2.28/g, according to gasoline price websiteGasBuddy.com. Prices yesterday were $1.32 per gallon lower than the same day one year ago and are 77 cents per gallon lower than a month ago.