New Delhi, Oct. 20 -- The government plans to roll out the latest iterations of two major clean fuel and emission regulations over the next three years to promote cleaner fuels and more efficient engines in the world's third-largest automobile market. Carmakers face significant changes as they prepare compliance plans for Corporate Average Fuel Efficiency 3 (CAFE-3) and Bharat Stage 7 (BS7) norms.

Mint examines what these regulations mean for the industry and how they will affect car buyers.

How significant will BS7 regulation be for the industry?

Rather than simply tightening emission limits, BS7 is expected to bring a fundamental shift in how emissions are tested and regulated. The norms are likely to bring testing closer to real-wor...