• @[email protected]
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    fedilink
    54 months ago

    Water, I think? I think the hydrogen is less of an issue than the hydrogen fuel cell though.

    Only 10 more years to go!

    • @[email protected]
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      fedilink
      144 months ago

      Unless we improve the efficiency of both electrolysis and fuel cell conversion to about 98%, we won’t beat the batteries.