Biden's comments on Tuesday were the clearest to date about the rubric administration officials deploy when determining whether or not to support a proposed US mining project.
Biden himself has said little about why his administration has blocked some mines while touting the need to boost domestic production of critical minerals.
The promise of higher energy density batteries is making a growing number of companies focus on silicon and lithium-metal anode materials, IDTechEx reports.
Lithium, uranium, copper, gold, zinc, and rare earths are all highly sought after in the United States. Here’s a look at eight companies with interesting assets to watch.