For BS-VI transition, coordination with carmakers was key: IOC chairman

Vehicles and the fuel they run on have to switch over to BS-VI emission norms before April 1. Sanjiv Singh, chairman of India’s largest refiner and fuel retailer Indian Oil Corporation (IOCL), speaks to Jyoti Mukul & Shine Jacob about the three-year journey of transition. Edited excerpts:

How was the shift to BS-VI emission norms?

We began the transition to BS-IV in 2010 and completed it in 2017. For BS-VI, we started supplying the fuel in Delhi two years ago and last year covered the NCR and Agra. We did it, though we were given three years to roll out