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Title: A Solar-Powered, Helium-Filled Cargo Plane That Floats Post by: Donna on 01-Nov-11, 09:39:32 AM http://www.treehugger.com/aviation/solarship-solar-powered-helium-filled-cargo-plane-floats.html (http://www.treehugger.com/aviation/solarship-solar-powered-helium-filled-cargo-plane-floats.html)
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