Last November, I visited a test site run by one of the world’s leading manufacturers of zero-emissions mining technology. MacLean Engineering’s Sudbury, Ontario facility is being used to test battery-powered electric mining vehicles, which the Canadian company has been working to develop since 2015.
The impressive site consists of a 300-metre long underground ramp and an excavated cavern, in which enormous electric vehicles are tested for levels of energy use and heat generation.
A deep history
Nickel and copper mining has been ongoing in Sudbury for over 100 years, so at this point many of its mines are quite deep. Typically, ventilation requirements for mines of a certain depth are significant. Continue Reading →