The 5 most energy-efficient states in America — and the 5 least

The average U.S. family is currently shelling out at least $2,000 a year on utilities. That’s on top of the average $2,450 most people spend annually on gas.

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​The average U.S. family is currently shelling out at least $2,000 a year on utilities. That’s on top of the average $2,450 most people spend annually on gas.Read more…