Most gas stations in the U.S. sell a blend of 90% gasoline and 10% ethanol. Mandated by legislation, the 14 billion gallons of ethanol consumed annually by American drivers is mostly made from fermented corn. Producing this ethanol requires millions of acres of farmland.
We recently talked about the increasing efforts by colleges and universities to embrace sustainability with the use of renewable energy sources. Those efforts are increasing in many places.
