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#66292 by Neil Blanchard
Wed Apr 22, 2015 12:29 pm
This will be of interest to many of you, I think - an alternative to concrete, called Ferrock that uses much less energy to make, and is ~5X stronger, and I think it looks very good, too. It actually absorbs CO2 as it is made.

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http://www.greencarreports.com/news/1097913_carbon-negative-replacement-for-cement-traps-co2-during-manufacturing
http://www.pbs.org/newshour/bb/cement-alternative-absorbs-carbon-dioxide-like-sponge/
http://techlaunch.arizona.edu/article/revolutionary-eco-friendly-substitute-cement

[youtube]https://www.youtube.com/watch?v=Di4b-7_Vp8c[/youtube]

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