"The Beast. Runs 2 Cummings QSK60 16 cyl. engines. Consumes 3456 gals of diesel per 12 hr. shift. Copper ores contain between 0.6 and 1% of copper. Consequently one tonne of ore generates a maximum 6 to 10 kilograms of copper. #GreenEnergy inputs they never talk about.

Don't forget the 10,000 litres of hyd. oil, 560 litres of engine oil and 985 litres of grease. All that has to be figured into the equation as well." by John Lee Pettimore (prof miner)