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A comment on Dutch brewery burns iron as a clean, recyclable fuel. Parent comment

Re:Dutch brewery burns iron as a clean, recyclable fuel by thereisnospork on Thursday November 05, 2020 @04:49AM (#24996888)
>Not even close. Second law of thermodynamics puts a limit on heat engine. Gravity storage is not subject to such limit.

Emphasis mine. Don't be a pedant.

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Re:Dutch brewery burns iron as a clean, recyclable fuel by Ensorceled on Thursday November 05, 2020 @09:58PM (#25004453)
Well, my important point was that hydrocarbons are fucking terrible but keep focusing on the first part.
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