This generator will run on biogas to make 300 kilowatts of power, enough for several hundred homes. The biogas from the digester will be about 60 percent methane and 40 percent carbon dioxide. From an environmental perspective, the biogas system is less polluting than leaving manure in lagoons or sending waste to landfills, where the waste gives off methane, a powerful greenhouse gas. The farm expects to put in a larger 450-kilowatt generator later.
April 4, 2011 4:00 AM PDT
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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