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A comment on Launch HN: Heimdal (YC S21) – Carbon neutral cement. Parent comment

Re:Launch HN: Heimdal (YC S21) – Carbon neutral cement by marcuslima on Monday August 02, 2021 @11:21AM (#28037771)
Haha gotcha, European ETS is on a bit of a tear at the minute. Has risen to ~$70/tonne CO2
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