How many buses does PCMC operate, how often are they tested for meeting pollution norms, what % of buses pass pollution norms? Does PCMC have methodology to test older buses more often to ensure buses operated meet pollution norms? Bus MH 5 FC 305 polluting at 615 am on 16.4.17 on kharadi bypass road. How old is it? When was it last tested for PUC? Why is it allowed on the road?