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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 ncmncm on Thursday November 05, 2020 @11:25PM (#25004886)
Ships get well north of 70% efficiency on the same cycle: technically, the Diesel cycle. (It is named after the person, not the fuel.)

Most cars run on the Otto cycle, less efficiently. (It is named after the person, not the vehicle.:-)

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