Sources: Cemex Ventures, Monterrey, Mexico; CP staff Concrete- and aggregates-minded companies in Cemex Ventures’ Top 50 ConTech Startups 2023 ranking include: Carbon Limit, Boca Raton, Fla. developers of a non-calcined, supplementary cementitious material—shipped in supersacks or bulk—that captures and stores atmospheric carbon dioxide in concrete slabs or structures. Conox LLC, Richmond, Va. developer of a process to melt waste concrete for use…
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