Microbial fuel cell
One technology which continues to attract research is microbial fuel cells, where the growth of microorganisms creates a flow of electricity. In this project led by the University of Massachusetts, researchers are seeking to find stable organisms which can produce desired chemicals, such as butanol, more efficiently than previously done.
February 28, 2012 10:48 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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