The average Illinois price for a gallon of regular unleaded gasoline is $2.53. This is 11 cents cheaper than last week.
AAA reports the most expensive gas is in the City of Chicago, at $2.86 per gallon. By contrast, the cheapest gas can be found in Bloomington-Normal, at $2.29 per gallon.
Rockford's average per-gallon price is $2.48. This is 7 cents cheaper than last week.