The ducts coming off the side are used for moving heat, which could be connected to a building's heating system. The hot air is made with a heat exchanger connected inside the Green Energy Machine. Engineers at IST Energy were using the ducts to heat a tent but the snow knocked that out of commission. Also visible on the back of the unit are the gray panels of the control units and, on the far left, an automated system for removing ash.
January 28, 2011 4:00 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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