Only Waste That It Produces: Water

Agenda, Aviation, World News / 05/10/2016

hy4_2

Developed by German Aerospace Center,  Hybrid passenger plane, which is the prototype of the clean, silent and energy efficient aircrafts of the future, has completed its first test flight. HY4, which is a four-seater plane at the moment, stayed in air for 10 minutes.  The system is composed of a hydrogen storage tank, low temperature hydrogen fuel cell and high capacity batteries, and the only waste that it produces is water.