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		user-the-name on Oct 3, 2021 \| parent \| context \| favorite \| on: Can Boom Supersonic Succeed Where the Concorde Fai... And?

lnsru on Oct 3, 2021 [–]

Efficiency does not matter when you burn coal!

BenjiWiebe on Oct 3, 2021 | [–]

Wouldn't it be nice if we could half our coal usage by doubling efficiency of everything using it?

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