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This is the average price for a gallon of self-serve regular unleaded gasoline for the entire Chicago region as of Sept. 26:
$1.73
These are the average prices for a gallon of self-serve regular unleaded gasoline in the six-county Chicago region and Northern Indiana as of Sept. 17, according to AAA-Chicago:
Cook $1.87
DuPage $1.80
Kane $1.78
Lake $1.78
McHenry $1.78
Will $1.79
Northern Indiana $1.65
