The average Illinois price for a gallon of regular unleaded is $2.78. This is 29 cents more expensive than last week.
AAA reports that the most expensive gas is in the City of Chicago, at $3.11 per gallon. The cheapest gasoline is in Davenport, at $2.60.
Rockford’s average price is $2.70. This is 22 cents more expensive than last week.