Various curses may be used when people talk about the vehicles imported from Indias Bajaj Auto. Some call them very noisy because their engine sound is deafening. Others brand them a major polluter of Jakartas atmosphere.

The worn engines and outdated technology of the two-stroke motor vehicles can indeed be considered a major source of air pollution. Haryo Puguh, head of the Automotive Emission Laboratory, Engine and Propulsion Technical Center,