Copper prices are tumbling as miners in the top producing nation gird to fight for bigger bonuses, setting the stage for labor strife that raises the risk of supply disruptions.
Researchers at the Pacific Northwest National Laboratory, LanzaTech and Oregon State University have made it easier to convert alcohol sourced from renewable or industrial waste gases into jet or diesel fuel.
The company spent $50.7 million this month on gold, part of an unusual investment strategy that also includes startups, blank-check companies and possibly Bitcoin.