The majority is in wiring, but pipes are included in the average. Aluminum wiring is a thing, but allowance must be made for its high coefficient of thermal exp

The majority is in wiring, but pipes are included in the average. Aluminum wiring is a thing, but allowance must be made for its high coefficient of thermal expansion, which has led to fires with aluminum wiring in the past. Overall, I would agree that copper is one of the tightest resources right now (moreso than nickel or lithium) but I don't think it's going to create a worldwide crisis. Applications where switching to aluminum is the least difficult will probably be changed first. But do also notice: https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.201806792 https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.201806...