The average Illinois price for a gallon of regular unleaded is $2.38 -- two cents higher than last week's average price.
The most expensive gas in Illinois can be found in the City of Chicago, at $2.75 per gallon. In contrast, Decatur has the cheapest gas, at $2.09 per gallon.
AAA reports Rockford's average price is $2.26. This is two cents cheaper than last week.
