Sweet

According to the guys over at the Freakonomics blog, expensive oil (and gas) may make Americans skinnier not because it'll encourage more walking and cycling, but because it'll increase the cost of corn as ethanol makers buy it up. Food manufacturers will stop buying expensive corn and corn products like high-fructose corn syrup and start using other, usually better-for-you sweeteners like cane sugar. I dunno if it will happen, but I like the chain of events.

Of course, then the ethanol craze will cause its own environmental disasters.