Has Hefei implemented National Six B gasoline?

Hefei has implemented national six b gasoline. Implementation time: The specific implementation time of the National Six Standards will change with the actual situation in different places. Shenzhen has fully implemented the national six policy from 20 19 1. Introduction: National VI emission is the most stringent stage of China's emission regulations. Compared with the national Ⅴ emission standard, the limits of carbon monoxide and nitrogen oxides in the national Ⅴ B standard have decreased by 50% and 42% respectively, even higher than the European Ⅴ standard, which is equivalent to the American level. It can be said that it is one of the most stringent emission standards in the world at present. Now all regions are strictly implementing the national VI standard.