The average Illinois price for a gallon of regular unleaded gasoline is $2.32. This is 3 cents more expensive than last week.
AAA reports the most expensive gas can be found in the City of Chicago, at $2.69 per gallon. Meanwhile, Springfield has the cheapest gas, at $2.03 per gallon.
Rockford's average price is $2.18 per gallon. That's 1 cent cheaper than last week.