Average retail gasoline prices in Indiana have fallen 13.4 cents per gallon in the past week, averaging $2.26/g as of yesterday. That compares with the national average that has fallen 3 cents per gallon in the last week to $2.39/g. That, according to www.GasBuddy.com. Prices yesterday were $1.35 per gallon lower than the same day one year ago and are 10.4 cents per gallon lower than a month ago. Currently, the cheapest place to get gas in Warsaw is at the Citgos on Center St. and Argonne Rd. Their cost is at $2.15/gallon.