http://cleanenergyairplanes.com algae fuel, biodiesel, biofuel, biogas, green, renewable, hybrid airplanes Mon, 15 Nov 2010 10:51:05 +0000 http://backend.userland.com/rss092 en http://cleanenergyairplanes.com/2010/11/14/bye-energys-first-electric-cessna-172-to-fly-in-spring-2011/ http://cleanenergyairplanes.com/2010/10/12/cnn-algae-power-reaches-for-the-sky/ http://cleanenergyairplanes.com/2010/08/01/green-bike-share-business/ http://cleanenergyairplanes.com/2010/07/30/solar-plane-is-latest-breakthrough-as-solar-energy-gains-momentum/ http://cleanenergyairplanes.com/2010/07/30/top-5-clean-energy-tips-for-the-home/