The Future of Renewable Energy
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Source: Entrepreneur.com
The company: Little Foot Energy
The innovation: Energy production through waste heat
What it does: It takes all that hot water you waste during your 45-minute shower and uses the heat from it to power your air conditioning. It's also used in industrial settings to recycle the heat used in various processes and redistribute it to other parts of the plant.
How it makes money: Eight-figure revenues for 2008 would certainly suggest that it does, and through good old-fashioned economics.
Where it's going: A design is in the works for a coin-operated laundry facility that would use exhaust heat from the dryers to heat water for the washers.
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