By Charles Q. Choi, Special to LiveScience
posted: 31 August 2009 09:34 am ET
Editor's Note: This occasional series looks at powerful ideas — some existing, some futuristic — for fueling and electrifying modern life.
Batteries made with microbes could help generate power by cleaning up organic waste at the same time.
Sewage is loaded with energy-rich sugars that researchers have struggled for years to convert into useful power. To do so, investigators have experimented with nature's experts on breaking down waste — bacteria.
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