A foundational approach to decarbonization: Sustainable Cement

What does clinker have to do with $20m of prize money?

A 5 year global competition. 100 starting teams. -20°F working conditions in Alberta. $20,000,000 prize pool. 2 winners. And 8% of global greenhouse gas emissions on the line.

The NRG COSIA Carbon XPRIZE just anointed the winners of its five-year global competition to develop breakthrough technologies that convert the most CO2 into products with the highest net value: CarbonBuilt and CarbonCure. Whereas past early media darlings of the carbon to value movement use CO2 as an input into soda, vodka, or diamonds, the XPRIZE grand winners leapfrogged niche use cases and coincidentally both address a building block (literally) of carbon emissions – cement and concrete production.

The happy winning companies return home with $7.5m in their pockets, a working at-scale prototype, and global media coverage. More from the CEOs of CarbonBuilt and CarbonCure below – but first a primer on the cement and concrete industry. Laying the foundation for our understanding, we spoke with Eric Trusiewicz, a fellow at Stanford University and former international cement executive.

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Πηγή: climatetechvc.substack.com

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