Knife River Corporation Invests in Blue Planet to Explore Synthetic Aggregates
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BISMARCK, N.D., Dec. 21, 2020 /PRNewswire/ Knife River Corporation today announced it is investing in Blue Planet Systems Corporation to pursue a commercial means of creating and marketing synthetic limestone. The limestone would be produced using sequestered carbon dioxide.
With Blue Planet s proprietary technology and Knife River providing expertise in construction aggregates, the companies are working together to develop construction-grade rock and ultimately concrete that would have a net-zero or net-negative carbon footprint – while maintaining the strength for which concrete is known. Knife River is the construction materials subsidiary of MDU Resources Group, Inc. (NYSE: MDU). David C. Barney, president and CEO of Knife River, has joined the five-member Board of Directors at Blue Planet.
Knife River Acquires Wyoming Construction Materials Business
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BISMARCK, N.D., Dec. 16, 2020 /PRNewswire/ Knife River Corporation announced today it has expanded its Intermountain Region footprint by acquiring the assets of McMurry Ready-Mix Co., an aggregates and concrete supplier based in Casper, Wyoming. Knife River is the construction materials subsidiary of MDU Resources Group, Inc. (NYSE: MDU) and operates in 15 states.
McMurry s estimated aggregate reserves of nearly 100 million tons are strategically positioned throughout central Wyoming, including along interstates 25 and 80. The company also has a ready-mix plant on the west side of Casper, complementing Knife River s east Casper location. Knife River s Intermountain operations also include Cheyenne and Laramie, Wyoming, as well as locations throughout Montana and Idaho.