Excerpt:Â In January 2007, a gallon of gas cost an average of $2.21. At the endof June 2008, 18 months later, the average cost was $4.15. More than any other factor, the basic principles of supply and demand for this global commodity-oil-have put steady upward pressure on prices. The plausible solution to the problem of high fuel costs is to take policy steps that affect supply and demand factors. Frankly, had Congress passed progressive energy legislation five or ten years ago, we'd likely be better off today. We can't change the past, but we can do something about the future. Aggressive exploration, research and development and conservation measures enacted now will generate beneficial energy supply changes over time.