Sources: Materials Processing Institute, Middlesbrough, U.K.; CMCM staff A two-year project under the United Kingdom’s Materials Processing Institute will test the efficacy of converting finely graded, demolition concrete-extracted cement paste to new cementitious material using scrap steel melted by an electric arc furnace. Dubbed Cement 2 Zero and proceeding with Read more…
Sources: Cemex S.A.B. de C.V., Monterrey, Mexico; CMCM staff Along with solid 2022 financials, Cemex reports a 4.6 percent year over year reduction in carbon dioxide emissions tied to its global cement, aggregate and ready mixed concrete operations, compounding a record 4.4 percent cut achieved in 2021. Under Future in Read more…
Sources: Cemex S.A.B. de C.V., Monterrey, Mexico; Sandia LLC, Albuquerque, N.M.; CMCM staff The U.S. Department of Energy has awarded $3.2 million to Solar MEAD, a joint project of its New Mexico affiliate, Sandia National Laboratories, global portland cement operator Cemex, and Swiss concentrated solar thermal (CST) technology developer Synhelion. Read more…
Sources: Cemex Ventures, Monterrey, Mexico; CMCM staff Carbon Limit, Boca Raton, Fla. developer of a non-calcined, supplementary cementitious material that captures and stores atmospheric carbon dioxide in concrete slabs or structures, made the Cemex Ventures Top 50 Construction Technology Startups 2023 report. The venture capital arm of Mexico-based cement, aggregates Read more…
Sources: ICPI-NCMA, Herndon, Va.; CMCM staff A new ASTM International paper presents results of an NCMA Education and Research Foundation investigation quantifying the amount and rate that machine-molded concrete products absorb and permanently lock up atmospheric carbon dioxide. “Conceptual Test Protocols for Measuring Carbon Sequestration of Manufactured Dry-Cast Concrete Products” Read more…
Sources: Heidelberg Materials North America, Irving, Texas; CMCM staff The U.S. Department of Energy’s (DOE) Carbon Storage Assurance Facility Enterprise initiative (CarbonSAFE) has awarded nearly $9 million for a study of carbon dioxide storage prospects in the subsurface geology at Heidelberg Materials’ upgraded Mitchell, Ind. cement plant. The proposed study Read more…
Sources: Heirloom Carbon Technologies, Brisbane, Calif.; CMCM staff Heirloom Carbon Technologies, northern California developer and operator of the premier Direct Air Capture (DAC) assembly in the U.S., teamed with CarbonCure Technologies and Central Concrete Supply Co. for a first in ready mixed concrete production: Permanent storage of DAC-derived atmospheric carbon Read more…
Sources: Office of New Jersey Governor Phil Murphy; CMCM staff A New Jersey law effective in 2024 will provide corporation business tax and gross income tax credits for costs of preparing Environmental Product Declarations that assess concrete mixes’ global warming potential, expressed on EPDs as kg of carbon dioxide equivalent Read more…
Denver, Colo. — Market forces rooted in the Buy Clean, Carbon Neutrality, LEED v4 and Net Zero movements have spawned an important new web portal, Construction Materials Carbon Management, www.cmcarbonmanagement.com. The just-launched site follows cement, concrete and steel producer progress in lowering the carbon dioxide emissions factor, or embodied carbon, Read more…
Sources: Federal Highway Administration; CMCM staff The Federal Highway Administration has opened registration for its next Every Day Counts Virtual Summit, with three or four daily sessions or roundtables focusing on Environmental Product Declarations and their role in transportation procurement policy (all times EST): Tuesday, February 14 • Buy Clean Policy 101, Read more…