KEEWATIN, Minn. — U.S. Steel dedicated a $150 million plant addition here Wednesday, one of the largest Minnesota taconite projects in recent history. With the new investment, U.S. Steel's Keewatin ...

EPA’s regulations set first-ever mercury emissions limits on the mills that process low-grade iron ore known as taconite. A federal appellate court has rebuffed two steelmakers’ bids to freeze ...

In the drive to expand industrial production, the Defense Production Administration last week okayed the biggest single quick-tax-write-off in its history: a $298 million project for Minnesota’s Erie ...

Northshore Mining will reopen operations in mid-May in what is the biggest good news to hit Minnesota’s Iron Range in months. Cliffs Natural Resources announced Monday that its Northshore taconite ...

Cleveland-Cliffs said it would temporarily idle two of its Iron Range mines and taconite pellet plants and lay off 630 workers. The iron ore mining and steel-making company said it would idle its ...

The rule is expected to cut about 33 percent of the neurotoxin each year, thereby reducing deposits on Midwest lands and waters. EPA has finalized the nation’s first-ever limits on emissions of ...