Free Republic 4th Qtr 2025 Fundraising Target: $81,000 Receipts & Pledges to-date: $76,605
94%  
Woo hoo!! And now only $345 to reach 95%!! Thank you all very much!! God bless.

Keyword: hy4

Brevity: Headers | « Text »
  • World's first 4-seater fuel-cell plane takes off in Germany

    09/29/2016 6:46:41 AM PDT · by Olog-hai · 10 replies
    Associated Press ^ | Sep 29, 2016 9:33 AM EDT
    Aircraft engineers in Germany have successfully tested the world’s first four-seater plane that uses emission-free hybrid fuel cells to fly. The 10-minute test flight Thursday at Stuttgart Airport in southwestern Germany involved two pilots and two dummy passengers. The twin-cabin plane, known as HY4, was developed by aircraft maker Pipistrel, fuel cell specialist Hydrogenics, the University of Ulm and the German Aerospace Center DLR. …