Interestingly, a BHP vice president had some interesting things to say about copper demand arising from electric vehicles, and I imagine those were not merely her personal views.
Might explain their attempted cheap grab for Cascabel. It really is a huge, and probably by now unstoppable growth area for copper demand.
www.hybridcars.com/worlds-largest-mining-company-thrilled-to-see-copper-demand-growing-with-pev-sales/