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 first-time recipients of the award.

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Technology shears cost of processing fly ash to match silica fume performance

A New York investor announced, at 2011 World of Concrete last month in Las Vegas, an industrial-scale process economizing the grinding of fly ash, or secondary grinding of ground granulated blast furnace slag or portland cement, to 6-, 3- or 1-micron median particle sizes. With $30 to $75 per ton processing plus $20 to $100 per ton raw feed (fly ash, GGBF cement or Type I/II portland cement) costs, the technology can yield premium binding agents whose performance properties in finished concrete and grouts match those of ultra-fine, high-reactivity metakaolin or silica fume—typically commanding $300 to $700 per ton.

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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 $1.256 billion in the last three months, down from the peak September average of $1.361 billion.

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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 schedule reflecting market requirements, and include related performance indicators in its annual Sustainable Development Report.

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