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In response to "requires a LOT of energy to process, Kaiser Alum closed during the energy crises, not because it cost so much, but they bought futures so cheap they " by zeitgeist

yeah, but that's a tech problem, not (Al) scarcity. the chief driver in locating smelters is finding cheap power.

it's why there are so many in (for example) quebec, and the only reason there's one in new zealand. pretty sure all the ore for that comes from PNG.

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