(EnergyAsia, February 9 2011, Wednesday) — Australian Securities Exchange-listed Hunnu Coal Ltd said it has acquired an additional 15% stake in the Unst Khudag thermal coal mine and surrounding licences in Mongolia, raising its total interest to 80% Located in Dundgobi province, 290 km from Ulaanbatar, the 324-metric-tonne (MT) thermal coal project consists of two…