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Landfills are a necessary component of contemporary life. According to the US EPA, the average person in the U.S. produces nearly 1,130 pounds (513 kilograms) of waste per year, and the vast majority of that ends up in landfills. Much of that trash decomposes, and releases methane and CO2, both of which are greenhouse gasses. However, methane is also a gas which can be used as a fuel, and increasingly, landfills are beginning to realize this is an energy resource and are making use of it.
