Sources: CP staff; XPrize Foundation, Culver City, Calif. Processes proved at commercial scale to mineralize and sequester carbon dioxide gas in finished concrete have earned their developers, CarbonBuilt and CarbonCure Technologies, top honors in NRG Cosia Carbon Xprize, a six-year global competition centered on managing and monetizing emissions from coal and natural gas combustion.
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Golden State cement producers release roadmap to carbon neutral operation
Sources: California Nevada Cement Association, Anaheim; CP staff The California Nevada Cement Association (CNCA) envisions three major pathways for the industry to attain net zero carbon operation by 2045: reducing production process emissions, reducing combustion emissions through fuel switching, and increasing distributed electricity generation.
Read MoreAI-wise software developer probes “CO2 Reduction in Cement Logistics”
Source: Inform Software Corp., Atlanta Inform Software, a provider of artificial intelligence-based optimization programs facilitating improved decision making, processes and resource management across diverse industries, will present a 20-minute webinar, “CO2 Reduction in Cement Logistics,” on February 23, 9 a.m. EST. Participants will learn the true footprint of their cement logistics, the latest truck technology trends and their limitations, how…
Read MoreCalPortland moves CNG power upstream, from mixers to bulk tankers
Eyeing deliveries throughout southern California, CalPortland Co. is deploying compressed natural gas-powered bulk tankers as part of strategy to capture fuel economy and lower the net greenhouse gas emissions associated with cement production at its Oro Grande plant. The producer has staged 24 CNG-fueled tractors with double bulk trailers along a slow-fill island station and related fueling infrastructure at the…
Read MoreU.S. Geological Survey reveals limits of climate change projections
Sources: U.S. Geological Survey, Department of the Interior; CP staff A new report from the USGS—the indispensable source of portland cement, crushed stone and sand & gravel shipment data—stresses the need to factor uncertainties attending climate change predictions, especially as models link present greenhouse gas emission levels to earth temperature trajectories through the year 2100.
Read MoreCalPortland migrates CNG power from concrete mixers to cement bulk tankers
Sources: CalPortland Co., Glendora, Calif.; CP staff Eyeing deliveries throughout southern California, CalPortland is deploying a compressed natural gas bulk tanker fleet as part of a strategy to capture fuel economy and lower the net greenhouse gas emissions associated with cement production at its Oro Grande plant. The producer has staged 24 CNG-fueled tractors with double bulk trailers along a…
Read MoreCarbon neutral-minded concrete, cement leaders unveil ‘2050 Climate Ambition’
Sources: Global Cement and Concrete Association, London; CP staff
Forty leading cement and concrete companies envision a 30-year route to carbon neutrality in “2050 Climate Ambition,” billed as the first statement of its kind on driving down the carbon dioxide footprint of the world’s most used man-made material.
Read MoreNOx, PM levels dive in latest EPA air quality report
Sources: U.S. Environmental Protection Agency; CP staff
The federal government’s latest annual report on air quality trends, “Our Nation’s Air – EPA Celebrates 50 Years!,” documents pollution reduction progress from 1970-2019, emphasizing gains during the last few years. The combined emissions of Environmental Protection Agency-designated criteria pollutants and their precursors dropped 7 percent from 2017 to 2019. That metric reflects three-year declines in the emissions levels of nitrogen oxides, -10 percent; particulate matter 2.5, -1 percent; sulfur dioxide, -16 percent; carbon monoxide, -6 percent; and, volatile organic compounds, -3 percent.
Read MoreCalPortland blended cement series clips carbon dioxide load
Sources: CalPortland Co., Glendora, Calif.; CP staff
The two charter offerings in a new CalPortland line of blended portland-limestone cements (PLC) have an embodied carbon level about 10 percent below that of common ASTM C 150 materials. ADVANCEMENT LT (Light) is a lighter colored, higher albedo Type IL PLC suiting concrete in design and architectural conditions. ADVANCEMENT HS (High Sulfate) is formulated for general use concrete or when high sulfate resistance is required.
Read MoreFeds settle with emissions control-defeating device purveyor
Source: U.S. Environmental Protection Agency
Under an agreement with EPA and the U.S. Department of Justice (DOJ), Performance Diesel Inc. of St. George, Utah, will continue to refrain from selling products the agencies allege violate the Clean Air Act by defeating heavy-duty diesel engine emissions control systems, while paying a $1.1 million fine.
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