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Green Car Congress
Sep 30, 2016, 5:55 pm780 ptsInterestingTopOn 29 September 2016, the HY4 aircraft took off on its first official flight from Stuttgart Airport. The HY4 is the world’s first four-seat passenger aircraft powered solely by a hydrogen fuel cell system. Researchers from the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) developed…
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