car

10. THE GAS IN YOUR TANK Bought gasoline or a Chevrolet lately? You’ve almost certainly come across all sorts of decals talking about “flex fuel” or “E85” or maybe even a fanciful picture of a giant ear of corn with a gas pump nozzle on it. Welcome to the boring but economically significant world of biofuels, where the technology developed by generations of corn-likker moonshiners has been harnessed to make your gasoline slightly cheaper (and your mileage slightly worse). Economists, scientists, and botanists have been arguing the pros and cons of plant-based alcohol-related fuel additives ...