Domestic oil prices will be significantly increased at 24:00 tonight, filling up a tank will cost nearly 30 yuan more.

(1) With the rise in international oil prices, on March 9, the domestic refined oil price adjustment entered the 10th working day. The reference crude oil change rate was 15.21%, and it is expected that the price of gasoline and diesel will be increased by 695 yuan and 670 yuan per ton, respectively. (2) After conversion, oil prices may rise by 0.55-0.60 yuan per liter. Based on a 50-liter fuel tank, it will cost an additional 28-30 yuan to fill up a tank of gasoline. (3) This price adjustment window will officially open at 24:00 on March 9.