The Indian government’s recently unveiled draft of the Corporate Average Fuel Efficiency (CAFE) norms for vehicles weighing under 3,500 kilograms has reignited debate within the automotive sector. Scheduled to take effect from April 2027 for a five-year period, the updated proposal revises the permissible fuel consumption standards linked to the average weight of vehicles produced by original equipment manufacturers (OEMs).
The revised formula tightens the allowable increase in fuel use relative to vehicle weight, a shift viewed as beneficial to makers of smaller cars. Conversely, manufacturers of heavier vehicles such as SUVs may face greater pressure to produce electric vehicles (EVs) as carbon offsets to meet these stricter targets. The norms aim to balance fuel efficiency improvements and emissions reductions, reflecting the interconnected nature of these goals.
Industry stakeholders had previously criticized the earlier version of the norms, released about six months prior, for favoring larger automakers by allowing higher fuel consumption allowances based on vehicle weight. The latest draft addresses these concerns by recalibrating the formula with a more stringent curve, potentially leveling the playing field for smaller vehicle producers.
However, questions persist over the methodology used to assess EV emissions, which factor in lifecycle emissions including those from power generation. Experts caution that current calculations may underestimate the environmental impact of EVs in India, which could inadvertently reduce the number of EVs that manufacturers must produce to offset emissions from internal combustion engine (ICE) vehicles. This potential discrepancy raises concerns about whether the standards will effectively encourage the intended transition to cleaner mobility.
Additionally, the policy’s provision for super credits—where one EV is counted as three in offset calculations—has drawn scrutiny. While intended to accelerate EV adoption, these credits may paradoxically diminish the overall volume of EV production required for compliance, potentially undermining emission reduction efforts. The draft has, however, lowered super credits for hybrids, a move welcomed by some analysts.
The proposed CAFE 3 emissions target stands at 91.7 grams of CO₂ per kilometer with a fuel consumption limit of 3.01 liters per 100 kilometers. Some experts suggest these targets could be further tightened to below 70 grams per kilometer if EV emissions are more accurately accounted for, which would incentivize greater EV penetration.
Market observers note that technological advancements are rapidly reshaping the EV landscape. Battery costs have declined and performance has improved, particularly in countries like China where total ownership costs for EVs have reached parity with ICE vehicles. With government subsidies and lower taxes bolstering this shift, automakers face increasing pressure to expand their EV offerings and produce smaller, more efficient ICE vehicles.
The draft also introduces carbon credits as a non-punitive enforcement mechanism, replacing penalties that have accumulated in the past due to non-compliance. Experts emphasize that the success of this approach hinges on robust carbon price discovery mechanisms. Ultimately, analysts concur that a combination of market-based tools and thoughtful regulatory incentives may prove more effective than stringent mandates in driving the industry’s transition toward sustainability.