Canadian aluminum producers breached their quota for shipments to the U.S. in December, raising the question as to whether President Biden will retain the limits, put in place by President Trump in 2020, or sacrifice them in the interest of rebuilding relations. President Biden’s decision to discard Trump’s leniency for imports from the UAE suggests he may be willing to do so for Canada, though U.S. capacity utilization remains low. U.S. imports of aluminum from Canada slumped 76.4% lower year over year in Q4’20. The widespread drop in U.S. imports of aluminum may ha...