Port Blair, July 03: A Bus of State Transport Service (STS) today broke all smoke emission records of A & N Islands. It was found that a Bus coming towards Bus Terminus from Dollygunj was emitting thick black smoke, must to the discomfort of other road users. The Bus, with registration number AN- 8379 proves how efficiently the Transport Department regulates smoke transmission norms in Andaman and Nicobar Islands.