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China climate envoy says phasing out fossil fuels 'unrealistic'
(www.reuters.com)
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this post was submitted on 22 Sep 2023
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The best energy storage we have is pumping hydro.
Pump water up a hill when power is cheap, let if flow downhill and spin a flywheel when production drops.
Huge battery banks with limited recharge cycles is stupid when all you need is some water and a high spot to put it.
Isn't that less efficient because of motor losses, drag, etc? It's also heavily dependent on geography.