August 15, 2014 to August 21 the week, the domestic MTBE market weekly average price fell last week, 138 yuan / ton or 1.82%. Monday Development and Reform Commission down policy implementation, but a new round of valuation cycle of crude oil rate of change quickly fell into negative, the market is expected to be difficult to ease. And the current domestic gasoline market demand is light, oil business operation is limited, making the oil demand for raw materials is poor, MTBE manufacturers generally difficult, the price is difficult to stabilize.