The average state price for a gallon of regular unleaded is $2.10. This is identical to last week's average.
AAA reports the most expensive gas can be found in the City of Chicago, at $2.50 per gallon. By contrast, the cheapest gas can be found in Champaign-Urbana, at $1.90 per gallon.
Rockford's average gas price is $1.98/gallon.