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Originally Posted by GreyGoose006
imo, the best arguement against a "hydrogen economy" is more or less what bourito said...
hydrogen comes from water.
when you burn hydrogen, you get water.
perpetual motion is impossible, so therefore, a hydrogen economy is (wait for it...)
impossible.
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Actually one thing has nothing to do with the other. Not to get way off topic here, but a hydrogen economy is completely plausable given that the Earth is not a closed energy system. There is enough energy in the form of light alone to power all our needs a million times over, that includes cracking all the water into fuel we could ever want.
The trick is to stop digging up stored chemical energy and start using a small fraction of what currently bounces off our planet to supply our needs.