Data released on December 22 by the Xinhua Oil Price System showed that the average price change rate for a basket of crude oils on December 19 was -3.64%. According to the "Oil Price Management Measures," domestic gasoline and diesel prices are adjusted every 10 working days based on changes in international crude oil prices, with adjustments taking effect at 24:00 on the day of the announcement. If the adjustment amount is less than 50 yuan per ton, no change will be made, and the difference will be carried over or offset in the next adjustment. Under special circumstances specified in the measures, price adjustments may be suspended, delayed, or reduced in scope. December 22 marks the 10th working day of the current pricing cycle, and the price adjustment window will open at 24:00 today. Domestic gasoline and diesel prices are expected to decrease by approximately 170 yuan per ton in this round.