Plane powered via hydrogen fuel cell

AeroVironment, a California-based company, says it has successfully completed a test flight of an aircraft powered by liquid hydrogen.

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<p><a href="http://www.physorg.com/news4909.html">Plane powered via hydrogen fuel cell</a></p> <p> AeroVironment, a California-based company, says it has successfully completed a test flight of an aircraft powered by liquid hydrogen.</p>