Best Answer
You can%26#039;t have a wind powered airplane because the wind turbine will produce more drag than power (and thus thrust).Most commercials airliners have a wind generator that drops out if all engines fail (called a Ram Air Turbine) which provides power to run the hydraulics and basic instruments but it adds drag and also doesn%26#039;t supply much (only enough for basic control and at low speed even that is marginal, it%26#039;s really only a last resort).
Electric aircraft could be done but the batteries are going to be very heavy (which is a bad thing in an aircraft).
Aviation is a minor contributor to global warming as well as very hard to improve from an environmental point of view so it%26#039;s probably better to deal with the bigger and easier sources first.
Other Answers (5)
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Possible, sure. Feasible, maybe. The real problem is what is used to generate the electricity. If you use batteries, there is a pretty big weight component to take into account, plus there is the question of how far you could go. Solar generated electricity probably wouldn%26#039;t be enough to do anything.
The best you could hope for would be something along the lines of the Gossamer Albatross, the human powered plane from a few years back. It would have to be incredibly light.
As far as any kind of commercial, or even private transportation application, probably not. -
Yes and may be. Sanyo electric company had experimented with a solar powered plane. It was more a glider than a plane. If the technology developes to a stage were batteries of high storage capacity and have size and weight of a paper rolled capacitor ca be manufactured, it is possible. until then the only way is to draw power from a ground station by mens of wire.(Like a wire guided missile)
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electric powered plane is possible.
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Yes, check out coolingearth.org
Atmospheric cleanup machine -
NO !!! U can not get something for nothing...