ST. PAUL, Minn.–(BUSINESS WIRE)– #alternativeenergy–Aymium, the leading producer of renewable biocarbon products, announced that it has entered a long-term supply contract for its patented, coal replacement product with Hokuriku Electric Power Company and Nippon Steel Trading. The contract is the largest for advanced biocarbon globally and will support the first large-scale continuous utility use of advanced biocarbon to replace coal in power generation. Aymium produces the only demonstrated carbon-negative prod