First, What Are CAFE Norms?
Before diving into the new rules, it’s important to understand the basics. CAFE, or Corporate Average Fuel Economy, standards don't target individual car models. Instead, they require a car manufacturer to meet a specific average fuel efficiency across
its entire fleet of cars sold in a year. The goal is to push the entire industry towards building more fuel-efficient vehicles overall to cut down on pollution and reduce the country's reliance on imported oil. India introduced its first phase (CAFE-I) in 2017, followed by the stricter CAFE-II in 2022, setting the stage for this next big step.
The Next Step: What CAFE-III Aims To Do
The government has now notified the third phase, CAFE-III, which will be effective from April 1, 2027, to March 31, 2032. These norms set progressively tighter fuel efficiency targets for each year within this period. For a manufacturer with a fleet of a certain average weight, the permitted fuel consumption will decrease significantly, from roughly 94.8 grams of CO2 per kilometre in fiscal year 2028 down to about 78.9 g/km by fiscal year 2032. This puts pressure on all carmakers to significantly improve the efficiency of the vehicles they sell. However, the rules also provide several flexible paths to achieve these tough targets.
The Key Incentive: Rewarding Green Tech
This is where the 'reward' system comes into play. To encourage a shift to cleaner technologies, CAFE-III introduces 'super-credit' multipliers for certain types of vehicles. Battery Electric Vehicles (BEVs) and Range-Extended Electric Vehicles (REEVs) receive the biggest advantage: each one sold will be counted as three vehicles in the company's fleet calculation. This provides a massive boost to a carmaker's overall average. Other green vehicles also get benefits. Plug-in hybrids and strong hybrids running on flex-fuel get a 2.5x multiplier, standard strong hybrids get 1.6x, and flex-fuel vehicles get a 1.1x multiplier. This mechanism directly incentivises companies to produce and sell more electric and hybrid cars to balance out their less efficient models.
What This Means for Car Companies
This regulatory structure forces a strategic shift for automakers. They can no longer just focus on making each petrol or diesel model slightly more efficient. Now, they must manage their entire product portfolio. A company with many popular but heavy SUVs, for example, will need to aggressively sell EVs or strong hybrids to meet its fleet average. The 3x multiplier makes every EV sale disproportionately valuable for compliance. Companies that already have a strong EV lineup could find themselves at a structural advantage. Carmakers can also trade credits among themselves or purchase them from the Bureau of Energy Efficiency, creating a market-based system that rewards early adopters of green technology.
And What About The Customer?
Ultimately, these changes on the supply side will reshape the choices available to car buyers in India. The strong incentives for electrification will likely lead to a wider variety of EVs, hybrids, and even range-extender models in the market, possibly at more competitive prices as manufacturers push to increase their sales volumes. The regulations also provide smaller benefits for incorporating fuel-saving technologies like start-stop systems, regenerative braking, and more efficient transmissions. While this could mean some conventional petrol and diesel cars become more advanced, it also signals a clear market shift. The era of relying solely on traditional combustion engines is being strategically phased out in favour of a cleaner, more diverse automotive future.
