By Neville Judd A leading U.S. coal producer is navigating today’s market uncertainty with a mine planning software platform that traces its origins to 1970. Utah-based Wolverine Fuels optimises its operations using Hexagon MinePlan.  “It’s very slick,” says Wolverine Fuels’ Senior Vice President, Patrick Barrett, of Hexagon MinePlan Schedule Optimiser (MPSO). The company uses MPSO to meet complex blending requirements while maximising net present value (NPV).  Wolverine Fuels produces between 6.5 to 10 million tons of thermal coal annually, serving the western U.S. power-generation industry, industrial customer segments, and export markets. The company operates two active longwall mining complexes, Sufco…