76. An amazing ethanol plant turns its waste into food and fuel

Greenfield Specialty Alcohols in Chatham, Ontario produces 200 million litres of ethanol a year. That's their main business, but beyond all the steel and pipe this plant produces animal food, CO2 for pop, heat for a tomato greenhouse, corn oil for biodiesel fuel and more! Discover this amazing industrial ecosystem on this week's CKUA episode of Green Energy Futures.