Working with Island Ready-Mix Concrete of Kapolei, the Hawaii Department of Transportation is testing material made with the CarbonCure Technologies process, where industry-sourced carbon dioxide gas is recycled into the mix, imparts strength development and other performance properties, and enables portland cement optimization. As demonstrated in 100-plus ready mixed plants on the mainland, the process entails conversion of the greenhouse gas into a mineral form, permanently embedded in a concrete slab or structure.
Read MoreHawaii DOT welcomes demonstration of carbon dioxide-injected pavement mixes
