******It is reported that Shanghai is updating the PSV.The middle buses are forbidden to running in the midtown next year.Shanghai said that the decision is according to the middle buses are not fit with the large amount of passengers.

******Another decision is that the ratio of buses equipped air-conditons should increase.In midtown the ratio will arrive two thirds.In additon,buses using CNG as fuel are encouraged.There are two hundred and fifty new CNG buses have been running this year.