40 percent of U.S. corn is used for ethanol 36 percent of U.S. corn, plus distillers grains left over from ethanol production, is fed to cattle, pigs and chick

40 percent of U.S. corn is used for ethanol 36 percent of U.S. corn, plus distillers grains left over from ethanol production, is fed to cattle, pigs and chickens Much of the rest is exported. Only a tiny fraction of the national corn crop is directly used for food for Americans, much of that for high-fructose corn syrup. https://www.scientificamerican.com/article/time-to-rethink-corn/ https://www.scientificamerican.com/article/time-to-rethink-c...