You may need small amounts of rare earth elements. Those are definitely a supply... | Hacker News

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		hvb2 9 hours ago \| parent \| context \| favorite \| on: The time has finally come for geothermal energy You may need small amounts of rare earth elements. Those are definitely a supply chain nightmare.

pfdietz 4 hours ago [–]

Not for solar, and not for most forms of Li-ion batteries.

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