As vehicle production, sales and usage increase rapidly in the country it brings in its wake serious concerns around toxic tailpipe emissions and exposures. Regulations have evolved to track emissions performance of vehicles at the time of production and certification as well as during the use phase.

Despite the evolving techniques of surveillance it has remained a constant battle to tame the real world emissions performance. But the technology treadmill to evolve and address newer challenges and its adoption for implementation must continue and stay ahead of the pollution curve.