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  <title>Green Options &#187; unmanned aerial vehicle</title>
  <link>http://greenoptions.com/tag/unmanned-aerial-vehicle</link>
  <description>Posts tagged 'unmanned aerial vehicle'</description>
  <pubDate>Mon, 27 Jul 2009 11:16:57 +0000</pubDate>
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    <title>USAF Unmanned Aerial Vehicles to Run on Solar Power</title>
    <link>http://cleantechnica.com/2009/07/27/usaf-unmanned-aerial-vehicles-to-run-on-solar-power/</link>
    <comments>http://cleantechnica.com/2009/07/27/usaf-unmanned-aerial-vehicles-to-run-on-solar-power/#comments</comments>
    <pubDate>Mon, 27 Jul 2009 11:16:57 +0000</pubDate>
    <dc:creator>Andrew Williams</dc:creator>
    
		<category><![CDATA[solar energy]]></category>

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    <description><![CDATA[<p><a href="http://cleantechnica.com/files/2009/07/solar-usaf-uav-uavs.jpg"><img class="aligncenter size-full wp-image-2945" src="http://go635254.s3.amazonaws.com/cleantechnica/files/2009/07/solar-usaf-uav-uavs.jpg" alt="" width="500" height="273" /></a></p>

<p><strong>A team of US scientists are working on a new generation of <a title="solar UAVs" href="http://www.sciencedaily.com/releases/2009/07/090714124954.htm" target="_blank">airborne solar cells, and expects them to power Air Force unmanned aerial vehicles (UAVs)</a> in the near future.</strong></p>
<p>The University of Washington&#8217;s Multidisciplinary University Research Initiative (MURI) project team, believe that their new breed of Dye-sensitized solar cells (DSSCs) will become an optimum energy harvesting source that may lead to longer flight times without the need to refuel.</p>
<p>According to lead researcher Dr. Minoru Taya, &#8220;These kinds of solar cells have more specific power convergence efficiency (PCE), very clean energy and easy scalability to a larger skin area of the craft, as well as low-temperature processing, which leads to lower costs overall.&#8221;</p>
<p><a href="http://cleantechnica.com/2009/07/27/usaf-unmanned-aerial-vehicles-to-run-on-solar-power/" class="more-link">Read more of this story &#187;</a></p>
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    <title>Michigan Students Set World Record for Longest Flight by Fuel Cell Powered Plane</title>
    <link>http://gas2.org/2008/11/23/michigan-students-set-world-record-for-longest-flight-by-fuel-cell-powered-plane/</link>
    <comments>http://gas2.org/2008/11/23/michigan-students-set-world-record-for-longest-flight-by-fuel-cell-powered-plane/#comments</comments>
    <pubDate>Sun, 23 Nov 2008 20:29:50 +0000</pubDate>
    <dc:creator>Andrew Williams</dc:creator>
    
		<category><![CDATA[Aviation]]></category>

		<category><![CDATA[Fuel Cells]]></category>

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    <description><![CDATA[<p><a href="http://gas2.org/files/2008/11/solarbubbles.jpg"><img class="aligncenter size-full wp-image-1312" src="http://go635254.s3.amazonaws.com/gas2/files/2008/11/solarbubbles.jpg" alt="" width="500" height="375" /></a></p>

<p><strong>A group of students from the University of Michigan have set a <a title="fuel cell plane" href="http://www.southbendtribune.com/apps/pbcs.dll/article?AID=/20081123/News01/811230398/1052/News01" target="_blank">new world record for the longest flight ever by a fuel-cell powered plane</a>.</strong></p>
<p>Late last month the team, known as SolarBubbles, <strong><a title="fuel cell plane" href="http://solarbubbles.engin.umich.edu/~solarbubbles/index.php" target="_blank">flew the $2,500 plane</a></strong> (video) around a field in Milan, Michigan for a total of 10 hours, 15 minutes and 4 seconds - smashing the previous 9 hour record held by a Californian engineering company.</p>
<p><a href="http://gas2.org/2008/11/23/michigan-students-set-world-record-for-longest-flight-by-fuel-cell-powered-plane/" class="more-link">Read more of this story &#187;</a></p>
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