The average Illinois price for a gallon of regular unleaded gasoline is $2.43. This is three cents more expensive than last week's price.
AAA reports the most expensive gas can be found in the City of Chicago, at $2.79 per gallon. By contrast, Danville has the cheapest gas, at $2.14 per gallon.
Rockford's average price is $2.37. This is ten cents more expensive than last week.