The provincial Market Watch Department will tighten the control of petrol stations to make sure they do not sell illegal fuel. http://vietnamnews.feedsportal.com/c/35237/f/655031/s/3ff819e8/sc/18/l/0Lvietnamnews0Bvn0Csociety0C26210A10Cdozens0Eof0Epetrol0Estations0Efined0Efor0Echeating0Edrivers0Bhtml/story01.htm