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India's Auto Fuel Norms Set to Shift by Month-End
17 May
Summary
- New fuel economy norms (CAFE III) expected by month's end.
- Norms will reshape technology choices and compliance economics.
- E25 recalibration is key for alignment with ethanol roadmap.

India is anticipated to notify its final Corporate Average Fuel Economy (CAFE) III norms by the end of May 2026. This development is propelled by the nation's focus on energy security amidst escalating fuel prices. The upcoming regulations will fundamentally alter the economic considerations for technology adoption in India's passenger vehicle sector.
The CAFE III framework will dictate fleet-average fuel efficiency targets and assign compliance credits to diverse technologies like battery electric vehicles and hybrids. This will influence the deployment costs and pricing strategies for future vehicles.
Industry executives suggest that incorporating E25 into the testing baseline, alongside proposed super-credits for flex-fuel vehicles, could offer a compliance cushion. Automakers are preparing distinct flex-fuel strategies, with Maruti Suzuki, Toyota Kirloskar Motor, and Tata Motors already developing compatible technologies.
With less than eleven months to prepare for implementation from April 1, 2027, automakers face critical decisions regarding product plans and investments. Regulatory clarity is essential to shape technology bets and maintain competitive positioning through the decade.