The King Mahendra Trust for Nature Conservation (KMTNC) along with the Institute for Himalayan Conservation (IHC) created a mixture of coal and biomass in 2000 using a unique rolling machine.
The King Mahendra Trust for Nature Conservation (KMTNC) i Institute for Himalayan Conservation (IHC) stvorili su 2000. godine smjesu ugljena i biomase pomoću jedinstvenoga stroja za valjanje.