Posted by MPR, June 23, 2015 The U.S. spent $31.8 billion fixing roads in 2011. New research using mining waste from Minnesota might be able to reduce that hefty annual cost for taxpayers. Taconite mining waste, known as tailings, has regularly been used as ballast in railroad beds. But now, researcher Larry Zanko tells MPR…
Read more »by the Maritime Executive, June 10, 2015 U.S. manufacturing is expected to keep ship traffic on the St. Lawrence Seaway bustling this season after a strong start for general cargo shipments through the navigation system. According to the St. Lawrence Seaway, shipments of steel, aluminum, wind turbines and other heavy machinery were up by 5…
Read more »by Emily Kaiser, MPR, June 5, 2015 University of Minnesota scientists say research is key to understanding the effects of mining in Minnesota and developing economically and environmentally sustainable practices for the industry. Although lawmakers turned aside a request for more money to expand research, the university does have several ongoing investigations. MPR News’ Tom…
Read more »by Joseph S. Pete, Northwest Indiana Times, June 1, 2015 Amid companywide cutbacks and thousands of layoffs, U.S. Steel is making a strategic investment in one aspect of the steel business that has been steadily growing in recent years: advanced high-strength steels for lighter cars. The Pittsburgh-based steelmaker spent $25.2 million to buy AK Steel’s interest…
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