AircraftA collaboration of aircraft makers, fuel cell developers and university engineers have come a step closer to zero emission passenger flights with the first flight of a hydrogen fuel cell four-seater electric aircraft. The twin-cabin, (relatively) low-noise HY4 took off at 11:15 am (local) today for a quick zip around Stuttgart Airport. The HY4’s 21.36 m (70 ft) wing is home to the HY4’s central single propeller with a two-seater fuselage on either side, a…
Hydrogen fuel cell four-seater passenger plane takes to the air
More of Today's Solutions
Naples lets blind visitors feel the Veiled Christ
BY THE OPTIMIST DAILY EDITORIAL TEAM On a Tuesday morning in Naples, a guide named Chiara Locovardi ran her gloved fingers across a marble ...
Read MoreUrban coyotes are denning next door: here’s what to know
BY THE OPTIMIST DAILY EDITORIAL TEAM Somewhere near you, a coyote may be nursing a litter of pups right now. She chose her den ...
Read MoreCompany that raised minimum salaries to $70,000 is still thriving
Almost seven years ago, The Optimist Daily did a piece on Dan Price, CEO of the credit card processing company Gravity Payments. At the ...
Read MoreUsing the Paralympics to encourage conversations about limb differences with ...
BY THE OPTIMIST DAILY EDITORIAL TEAM Children are naturally curious about the world around them, especially the people that cross their paths. When kids ...
Read More
