MIT: Operation accounts for lion’s share of structures’ CO2 emissions

Preliminary findings from Concrete Sustainability Hub research aimed at a new life-cycle assessment (LCA) model suggest that service phase encompasses 85% and 90% of carbon dioxide emissions, respectively, from highway pavements and residential buildings. Ongoing studies at the MIT-hosted Hub will quantify paving and building materials’ cradle-to-grave environmental costs, yielding what staff contends is the most comprehensive LCA model to…

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Five Holcim plants earn EPA’s Energy Star

Holcim (US) Inc. announced recently that for the third consecutive year, its Devil’s Slide plant in Morgan, Utah and the plant in Theodore, Ala., have earned the U.S. Environmental Protection Agency’s (EPA) Energy Star. In addition, the newly commissioned Ste. Genevieve plant in Bloomsdale, Mo., the Trident plant in Three Forks, Mont., and the plant in Holly Hill, S.C. were…

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ARRA spending decreased in November

According to a recently released Portland Cement Association Market Intelligence report, 60.6% of total American Recovery and Reinvestment Act (ARRA) highway funds have been dispersed through November, compared to 56.7% in October. November highway stimulus spending was $1.047 billion, an 11% decrease from October’s spending rate. Monthly spending levels in September were the highest level to date. Spending has averaged…

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Cemex carbon footprint tool paces sustainability curve

A tool under phased, global deployment enables Monterrey, Mexico-based Cemex, S.A.B. de C.V., to measure greenhouse gas emissions tied to production and delivery of cement, ready mixed and aggregate products. A first of its kind in building materials, it assists customers calculating a project’s carbon footprint. Cemex will begin publishing product-specific carbon content in selected operations during 2011, with rollout…

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Report Ranks Concrete Paths To Carbon Reduction In Cement-Based Products

Paving the Way to Cost, Energy, and Carbon Savings in the Concrete Industry, a new report from Boston-based Lux Research Inc., assesses an expanding range of options designed to make concrete greener through improved cement-production techniques, admixtures affording lower portland cement dosages, and supplementary cementitious materials, plus building energy efficiency and performance technologies.

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Holcim (US) Trident plant celebrates 100 years

Approximately 200 employees, family, retirees, friends, and local dignitaries gathered in September, to celebrate the 100th anniversary of the Holcim (US) Inc. cement plant located in Trident, Mo. The plant also used this celebration as an opportunity to bring awareness to the environment by incorporating a Conservation Day. “The Centennial celebration is an experience of a lifetime for the company,…

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Governor recognizes Salt River Materials for role in energy-wise, Habitat home

Contribution of product, engineering services and site labor to Habitat for Humanity Central Arizona’s Net-Zero Energy home, enclosed in a panelized concrete forming system, garnered Scottsdale, Ariz.-based cement and aggregate producer Salt River Materials Group an “Excellence in Economic Development and Energy Leadership Award” from Arizona Governor Jan Brewer. Honoring partnerships, organizations and companies that implement development strategies for their…

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Ash Grove Kansas obtains Haz-waste permit renewal

A Hazardous Waste Permit renewed by the Kansas Department of Health and Environment (KDHE) and U.S. Environmental Protection Agency Region 7 allows Ash Grove Cement’s Chanute facility to continue container and tank storage, plus kiln burning, of hazardous waste. Issued pursuant to a comprehensive technical review and a late-2009 public hearing, followed by minor modifications to a preliminary draft, the…

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