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"content": "Storage batteries have been invented which use no metals and cost 1.8 times less to manufacture and use than lithium-ion batteries. These batteries can easily be made in the US and are being developed to scale larger. This is how progress works in science/engineering.\n\nMetal-Free Batteries Increase Hope for Sustainable Grids:\nhttps://www.azom.com/news.aspx?newsID=60681\n\nPlus tech like this:\n\nA new concept for batteries made from inexpensive, abundant materials | MIT Energy Initiative\nhttps://energy.mit.edu/news/a-new-concept-for-batteries-made-from-inexpensive-abundant-materials/\n\n2/2",
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