Price of petroleum will fall again by 400 MNT in December. Petroleum price will fall by 300-400 MNT depends on its quality and type. Actually, crude oil price fall by almost 300% since its peak in July and fueled up petroleum price in Mongolia up to 1800 MNT (AI 92 type) per liter. As for today, AI-92 type petrol is 1390 MNT which is less than 30% decrease since its peak time price. Therefore, it is quite logical decrease but it is quite late as for the reaction. Mongolian petroleum importing companies explains it as its Russian supplier company Rosnefti decreases its price. However and finally Mongolians are about to top up its tank of vehicles with long awaited cheaper petroleum.