The perils of cheap oil

My kids and I drove to Southern California (from Berkeley) and back this past weekend to visit my grandmother. Three tanks of gas in total -- averaging roughly $2.35 a gallon. At 16 gallons a tank, the cost of gasoline for the whole trip came to about $113.

But if I'd made that trip in July, it would have gouged twice as much out of my wallet. Gas prices in California are half what they were… » Full Story on Salon.com