Average retail gasoline prices in Indiana have risen 9.4 cents per gallon in the past week, but are still averaging just $2.00-per-gallon according to GasBuddy's daily survey in Indiana. That compares with the national average that has fallen 5.4 cents per gallon in the last week to $2.12/gallon. Prices yesterday are $1.36 per gallon lower than the same day one year ago and are 52.1 cents per gallon lower than a month ago.