The average Illinois price for a gallon of regular unleaded gasoline is $2.51. This is seven cents more expensive than last week.
AAA reports the most expensive gas can be found in the City of Chicago, at $2.82 per gallon. By contrast, the cheapest gas is in Champaign-Urbana, at $2.34 per gallon.
Rockford's average price is $2.42 per gallon. This is one cent cheaper than last week.