It is a widespread issue in the US. The second largest US copper mine, Kennecott, owned by Rio Tinto, also suffered a fast decline in ore grade from 0.56% a year ago to 0.36% in the last quarter.

In 2023, Kennecott conducted an initial trial of renewable diesel, which compared two trucks using regular diesel against two using renewable diesel. Officials measured the trucks’ acceleration ...

Miner Rio Tinto has completed the transition from conventional to renewable diesel for all heavy mining equipment at its Kennecott copper mine in Utah, giving the mine one of the lowest carbon ...

Over the past decade, Rio Tinto Kennecott — home to the world’s ... solar farm and deploying electric vehicles for underground copper mining — Kennecott has reduced its overall carbon ...

With the retirement of the coal-fired power plant and the latest transition to renewable diesel — along with installing a 5-megawatt solar farm and deploying electric vehicles for underground copper ...

In other words, Clayton Walker, Rio Tinto Copper chief operating officer, said, Kennecott is able to reduce the amount of emissions by about 450,000 tons of carbon a year by burning renewable ...

Rio Tinto (ASX: RIO) has transitioned from conventional to renewable diesel for all heavy mining equipment at its Kennecott mine in Utah, making it one of the lowest carbon-emitting copper ...

SALT LAKE CITY, Utah--(BUSINESS WIRE)-- Rio Tinto has completed the transition from conventional to renewable diesel for all heavy mining equipment at its Kennecott copper mine in Utah, giving the ...

SALT LAKE CITY, Utah--(BUSINESS WIRE)--Rio Tinto has completed the transition from conventional to renewable diesel for all heavy mining equipment at its Kennecott copper mine in Utah, giving the ...

Rio Tinto has completed the transition from conventional to renewable diesel for all heavy mining equipment at its Kennecott copper mine in Utah, giving the mine one of the lowest carbon ...

Rio Tinto Kennecott's Bingham Canyon Mine switched from a traditional fossil fuel to a "renewable diesel" made up of soybean and food waste. The company has even installed a special pipeline for ...