The U.S. Commerce Department has delivered a strategy to improve access to critical materials used in the electronics, automotive and defense sectors. That was based on a 2017 Executive Order from President Donald Trump and comes as the Chinese government may be considering restricting access to rare earths. The largest product group identified as being at risk is platinum, where U.S. imports of platinum and related products were worth $12.5 billion in 2018. Supplies of platinum have increasingly been focused on scrap reclaimed from automotive catalytic converters. Imports, led by German...