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A comment on Launch HN: Carbon Crusher (YC W22) – Carbon Negative Roads. Parent comment

Re:Launch HN: Carbon Crusher (YC W22) – Carbon Negative Roads by dymk on Friday March 25, 2022 @02:14AM (#30799161)
Do you have a source that the binder is currently being used as a fuel source? I'm missing where that's implied by the OP.
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Re:Launch HN: Carbon Crusher (YC W22) – Carbon Negative Roads by hansarne on Friday March 25, 2022 @10:56AM (#30802940)
It's correct that lignin is used as a fuel, here's one source of it. ~98 is burnt. "currently most of the lignin produced from paper industry is burned as low-value fuel to generate electricity and heat (Luo and Abu-Omar, 2017) and only less than 2% is used for producing specialty chemicals ..." https://www.sciencedirect.com/science/article/abs/pii/S09266...
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Re:Launch HN: Carbon Crusher (YC W22) – Carbon Negative Roads by civilized on Friday March 25, 2022 @10:59AM (#30802969)
I wonder what makes it a low value fuel. If it has a lot of carbon per energy released, it may be better to bury it than burn it.
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