Landfills and Methane Gas
According to the U.S. Department of Energy (DOE), landfills are the largest single human source of methane gas emissions in the United States, accounting for 25 percent of all methane sources. Methane is a greenhouse gas with a high global warming potential. Landfill methane gas is generated during the natural process of bacterial decomposition of organic material contained in municipal landfills. New technologies have made it possible to capture and combust the methane gas, breaking it apart to form water vapor, carbon dioxide, and other compounds that are less volatile than methane.
GNG says it began purchasing the recycled gas in early 2009. The landfill is capable of producing enough natural gas to fuel approximately 15,000 Georgia homes and has a potential life cycle of about 20 years. GNG has exclusive rights to purchase all of the recycled gas produced at the landfill through 2011.
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