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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 wcarron on Thursday November 05, 2020 @06:10PM (#25003114)
Batteries are expensive. Iron is abundant and cheap, and these seem much less difficult/costly to build than to create a dam, for example.

It also seems like it can make use of existing infrastructure and save money there.

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Re:Dutch brewery burns iron as a clean, recyclable fuel by fastball on Thursday November 05, 2020 @08:11PM (#25003876)
I don’t think the expense of other solutions justifies the abject inefficiency of this one though.
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