MIT startup passes major milestone with first-of-its-kind ‘true zero’ building material: ‘It’s a huge step’ (ft. Sublime Systems)

sustainable cement-making company that has referred to itself as the “electrical vehicle of cement making” recently passed a major milestone, getting its “true zero” cement used in an actual building, CleanTechnica reported.

Sublime Systems, a startup that spun out of MIT in 2020, has revolutionized the cement-manufacturing process to remove the components that produce massive amounts of planet-overheating air pollution.

Traditionally, cement — the crucial ingredient in concrete — is made with limestone using kilns that are powered by dirty energy. These elements combine to create huge amounts of heat-trapping carbon dioxide. It has been widely reported that the cement-manufacturing industry is responsible for around 8% of the world’s planet-overheating air pollution.

The process results in what amounts to very normal cement, which is exactly what the construction industry is looking for. Sublime’s patented Sublime Cement is currently being used in One Boston Wharf, a large-scale development on the Boston waterfront, and the developers seem happy with the product.

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