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Motorized Flight Without Fossile Fuels

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That’s what the German Antares DLR-H2 does! The picture shows the Antares DLR-H2 “…… during its technical flight trial in June 2009 at Zweibrücken. The fuel cell is slung under the left wing and the hydrogen tank under the right wing — with a capacity of either 2 or 4.9…