Have you ever heard of bioenergy? Or, have you ever wondered where your garbage goes once you throw it out? For many people — especially Americans — once their trash leaves the house, there is no more thought about where it goes or what happens to it. As soon as a sanitation worker picks up your garbage, there is no reason to think about the serious problems that massive amounts of waste can cause. Every year, Americans discard about 250 million tons of resources, making them the largest generator of waste on Earth.