The average Illinois price for a gallon of regular unleaded gasoline is $2.72. This is 6 cents cheaper than last week.
AAA reports the most expensive gasoline can be found in the City of Chicago, at $3.09 per gallon. By contrast, the cheapest gas is in Springfield, at $2.53 per gallon.
Rockford’s average price is $2.66 per gallon. This is 2 cents cheaper than last week.