This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

All the solid fuels fossil energy and mineral commodities we use come out of the Earth. Modern society is increasingly dependent on mineral and fossil energy so

The growth and development witnessed today in modern science, engineering, and technology owes a heavy debt to the rare, refractory, and reactive metals group,

This report examines the role of rare earth metals and other materials in the clean energy economy. It was prepared by the U.S. Department of Energy (DoE) based

As the importance and dependence of specific mineral commodities increase, so does concern about their supply. The United States is currently 100 percent relian