Monday, October 31, 2011

Trash Gas for Trash Trucks

Natural resources may be limited, but humanity's consumption guarantees an abundance of one unlikely "resource" -- garbage. On average, a typical American throws out about four pounds of trash per day, or more than 240 million tons of garbage every year. Most of that waste winds up in landfills and releases methane as it decomposes. But what if that gas could be harnessed as a clean energy source?

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