Gas prices for six of Illinois’ 9 major utilities are elevated, compared with a year ago, led by Liberty Utilities, which is charging a supply price that is about 154 percent higher; Nicor Gas, with a price about 39 percent higher, and MidAmerican Energy, which is charging a price that is about 32 percent higher; according to CUB’s review of October gas prices. Gas prices have been on the rise, with colder-than-normal weather last winter and record gas exports (meaning profit-hungry com...