Ramaco Resources, Inc. (NASDAQ: METCB ) is a low-cost metallurgical coal producer with mines in Appalachia. METCB also plans to expand into rare earth elements (REEs) and critical minerals through its Brook Mine in Wyoming. The company stands out for its cost-efficiencyMy name is Myriam Hernandez Alvarez. I received the Electronics and Telecommunication Engineering degree from the Escuela Politecnica Nacional, Quito, Ecuador, the M.Sc. degree in computer science from Ohio University, Athens, OH, USA, a grad ...