Energy Fuels ends 1Q with US$60M of working capital as it gears up for big rare earths element commercial push Energy Fuels also said it holds around $28 million worth of "immediately marketable" inventory, including 690,800 pound of uranium and 1,672,000 pounds of vanadium Energy Fuels is making strides toward building a critical US rare earth supply chain Energy Fuels Inc (NYSEAMERICAN:UUUU) (TSE:EFR) has revealed that ended its first quarter with US$60.4 million of working capital as it gears up to expand its rare earths capabilities this year. The integrated resource company is making strides toward building a critical US rare earth supply chain with the development of a rare earth element (REE) carbonate production program at its White Mesa Mill, which was ramped up during the first quarter of 2021.