When it's time to fill up the gas tank, many fear the price of gas will return to the $4-a-gallon days of last summer.
But according to author Chris Steiner, our lives would be a lot happier and healthier if gas prices rose into the double digits.
Steiner explains himself, and the title of his book: $20 Per Gallon: How the Inevitable Rise in the Price of Gasoline Will Change Our Lives for the Better.
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