The heart of the Green Energy Machine is the gasifier, the cylindrical vessel behind the yellow pelletizer. Gasification heats up material to the point where the molecular bonds break down, leaving a gas of mostly carbon monoxide, hydrogen, and methane. Waste goes in a hopper, is dried and shredded, and then turned into pellets that are fed into the gasifier.
January 28, 2011 4:00 AM PST
Photo by: Screen capture by Martin LaMonica/CNET
| Caption by: Martin LaMonica
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