PALM BEACH, Fla., Nov 13 (Reuters) - Rio Tinto's Kennecott copper smelter may toll third-party concentrate on a large scale for the first time next year, as the second-biggest U.S. copper producer ...

Months after picketers targeted Kennecott Copper's on-site coal power plant the company has made a proposal to convert partially to much-cleaner burning natural gas, a specific... Months after ...

SALT LAKE CITY (AP) — Nearly half of the 270 mine workers offered early retirement packages from Kennecott Utah Copper Corp. have accepted the deal. The company is looking to slash its ranks following ...

NEW YORK/SINGAPORE, May 13 (Reuters) - Rio Tinto Ltd has started scouting the North American spot market for copper concentrate for its Kennecott copper smelter in Utah as it tries to recover from a ...

I'm 49 years old and have nothing saved for retirement — what should I do? Don't panic. Here are 6 of the easiest ways you can catch up (and fast) Want an extra $1,300,000 when you retire? Dave Ramsey ...

(AP) The landslide that washed over the terraced steps of a mining pit nearly a mile deep left only the tip of one giant electric-powered shovel poking out of the dirt. The rubble buried three of them ...

U.S. President Donald Trump on Friday reversed a Biden-era air pollution rule that had imposed stricter limits on emissions from copper smelters. The copper rule, finalized in May 2024, had required ...