The average Illinois price for a gallon of regular unleaded gasoline is $2.27. This is six cents cheaper than last week's average.
AAA reports the most expensive gas can be found in the City of Chicago, at $2.69 per gallon. By contrast, the cheapest is in Champaign-Urbana at $2.01 per gallon.
Rockford's average gas price is $2.19. This is 5 cents cheaper than last week.
