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The first hydrogen-powered planes are taking flight
(www.canarymedia.com)
This is a most excellent place for technology news and articles.
It is horrible today. The only hope is to use solar energy to split water.
Given our tendency to overdo everything, this would concern me that we could actually use up all our water
The output of hydrogen engines is water. So we reclaim that quickly. The more likely problem is the unnatural redistribution of water.