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"From rocket stoves aiding relief in Haiti, to building your own cookstove, ultra-efficient rocket stove designs have been around for some time. But this one is a little different. When Paul Wheaton decided to build a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/building-a-wood-burning-rocket-mass-heater-from-wood-video.html>