Petrol prices slightly up in latest adjustment stockbot 0 12 05.23 18:41 https://vietnamnews.vn/economy/1656144/petrol-prices-slightly-up-in-la… + 0 https://vietnamnews.vn/rss/economy.rss + 0 The retail prices of E5RON92 bio-petrol and all oil products increased from 3pm on May 23 following the latest adjustment of the Ministry of Industry and Trade, and the Ministry of Finance.