By Sharon Astyk
It seems like you can’t go anywhere without someone telling you that in ten years we’re all going to be driving ethanol or biodiesel cars. Biofuels are hot. People who a year ago had never heard of switchgrass keep assuring me that it will be fueling my car practically next week. No need to change anything significant about our lives, they say – just raise fuel efficiency standards a little bit and alchemically turn the corn into gold er… oil, and off we go, back to business as usual.