Graph 1: Average Real Price of Gas by Decade, 2005 Dollars.
Graph 2: Cost of 1000 Gallons of Gas as a Percent of Disposable Income.
Graph 3: Minutes of Work at Average Wage to Buy One Gallon of Gas
Graph 4: Real Price of Gasoline per Gallon, 2005 Dollars
Graph 5: Minutes of Work at the Average Wage per Gallon of Gas
Graph 6: Cost of 1000 Gallons of Gas as a Percent of Disposable Income