LAHORE: Chief Traffic Officer (CTO) Captain (retd) Mustansar Feroze on Saturday ordered a crackdown on smoke emitting vehicles. The CTO, in a statement on Saturday, said that environmental and air pollution caused epidemic of viral diseases, therefore, transporters were ordered to run vehicles on roads only after proper repair and checkup. The violators would be taken to task, he added. The Traffic Police had mobilised to eliminate potential smog and environmental pollution. During the current year, 48,331 smog emitting vehicles were issued tickets, he informed. The CTO said an awareness campaign was being conducted in view of possible smog and environmental pollution, adding the drive would be conducted in collaboration with bus owner unions.