Two South Dakota Mines professors are transforming coal mine waste into a potential domestic source of rare earth elements, materials critical to advanced technology, low-carbon energy and ...
A National Energy Technology Laboratory collaboration with UW’s School of Energy Resources to develop technologies and methods for extracting rare earth elements from coal fly ash has started testing ...
Staff members work at the production dispatch center of the Huayang No. 2 Coal Mine in Yangquan City, north China's Shanxi ...
The bucket is all that remains of Big Muskie, once the largest single-bucket digging machine ever created. It tells a ...