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Solar generates more energy than coal in US for 1st time
(abcnews.com)
This is a most excellent place for technology news and articles.
Deep sea vents aren't, unless you're including the formation of the solar system as 'solar'
Also geothermal and nuclear power aren’t
I did say “if you follow the trail back far enough.” Same goes for uranium. Born from supernovae (exploding stars).