Energy question of the week: Is it possible to fly on nothing but solar power?

12. April 2010, 08.33
In cruise ships, electrical propulsion units – powered by diesel engines – are now standard equipment. Every day, buses with electric motors powered by fuel cells ply the streets of Hamburg. Now the first aircraft powered solely by electric motors are taking off. However, in the quest to find exciting, original and climate-friendly propulsion, are solar cells powerful enough to get an aircraft off the ground?
Jan Oliver Löfken
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Jan Oliver Löfken