What’s wrong with ethanol? Our embrace of ethanol may not be a good thing for the environment after all

Dear EarthTalk: I thought that putting ethanol in our gas tanks was going help fight climate change, but lately I’ve heard reports to the contrary. Can you enlighten?  — Bill B., Hershey, PA   Ethanol and similar “biofuels” made from corn and other crops seem like a good idea given their potential for reducing our carbon outputs […]