CalPortland, Fortera mark milestone in mineralized CO2 concrete binder

San Jose-based Fortera Corp. has started ReAct concrete binder processing at a facility adjacent to the CalPortland Co., Redding, Calif. cement mill. The Redding ReCarb Plant is North America’s first industrial green cement and carbon dioxide mineralization facility—and one of the largest operations in the carbon capture and use class the world over. It is equipped for annual output of…

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GHG Inventory shows cement plant CO2 emissions’ positive trend

The latest Environmental Protection Agency Inventory of U.S. Greenhouse Gas Emissions and Sinks cites 2022 GHG loads of 5.489 billion metric tons of carbon dioxide equivalent, a 1.3 percent increase from the prior year. The GHG Inventory factors emissions of CO2, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride and nitrogen trifluoride—all pegged for their global warming potential when released to…

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Reduced Carbon Concrete Consortium assists states’ FHWA grant pursuits

The American Concrete Pavement Association, Iowa State University-hosted National Concrete Pavement Technology Center and allies have formed the Reduced Carbon Concrete Consortium (RC3) to assist state departments of transportation and other qualifying entities eyeing grants under the just-announced Federal Highway Administration Low-Carbon Transportation Materials (LCTM) program. RC3 will provide DOTs technical assistance and facilitate contractor preparedness with critical next steps…

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EPA outlines 2029-2032 mixer, dump, day cab emissions standards

The U.S. Environmental Protection Agency claims avoidance of 1 billion tons of greenhouse gas emissions and $13 billion in net society benefits attributable to GHG Emissions Standards for Heavy-Duty Vehicles – Phase 3. If upheld after near-certain legal challenges, new thresholds in the final rule, measured against Phase 2 targets, will equate to CO2 emissions reduction levels of a) 8-40…

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Portland-limestone cement reaches universal state DOT approval

Portland Cement Association reports across the board state agency approval of portland-limestone cement, or ASTM C595 Type IL binder, on the heels of a Connecticut Department of Transportation green light for the material. Compared to ASTM C150 Type I/II portland cement, PLC is finished with higher limestone content, while exhibiting a carbon dioxide emissions footprint up to 10 percent lower.…

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Public construction prospects feed engineering executives’ confidence

Data from the current ACEC Research Institute Engineering Business Sentiment report shows engineering firms are dramatically more optimistic toward the U.S. economy than they were last year, and that wage inflation, versus the likelihood of a recession, is the biggest business concern among executives as 2024 unfolds. Among respondents to a survey underpinning the report, industry conditions 12 months out…

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Feds unveil $1.6B in Cement and Concrete decarbonization opportunities

The U.S. Department of Energy Office of Clean Energy Demonstrations (OCED) has named four portland cement producers and two alternative binder start-ups as candidates for $1.6 billion in funds steered to projects lowering the carbon footprint of finished concrete. Heidelberg Materials North America and National Cement Company of California lead the way with their respective projects, Mitchell Cement Plant Decarbonization…

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Improving Air Quality to Meet Revised Soot Standard Could Harm U.S. Economy

By Lucinda Minton Langworthy and Angela R. Morrison Earlier this year, the U.S. Environmental Protection Agency (EPA) reduced the level of the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM2.5), commonly referred to as soot, from 12-9 micrograms per cubic meter (µg/m3), reflecting a 25 percent reduction in the standard intended to be protective of…

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Survey: White House rule discourages construction apprenticeship participation

An Associated Builders & Contractors survey finds the U.S. Department of Labor’s (DOL) controversial, 180,000-plus word proposed rule overhauling regulations related to government-registered apprenticeship programs (GRAPs) will discourage apprentices, contractors and ABC chapter apprenticeship program providers from participating in the Department-backed system. “Initial feedback on changes to apprenticeship regulations has been overwhelmingly negative and these survey results make it clear…

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EPA weighs comments on low carbon materials, product labeling

The Environmental Protection Agency is set to review feedback from a February-March public comment period involving a draft approach for implementing an Inflation Reduction Act-funded Label Program for Low Embodied Carbon Construction Materials. The $100 million undertaking will support the White House Buy Clean Initiative, applicable to Departments of Defense and Transportation and General Services Administration procurement, by helping define…

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