India’s next fuel-efficiency regime is is further reshaping investment priorities across the automotive ecosystem,writes Niharika Singh.
The countdown has begun. With less than a year before India’s Corporate Average Fuel Efficiency (CAFE IIl) norms come into force on April 01, 2027, the country’s automotive industry is entering one of its most defining transition periods. Unlike previous regulatory shifts, CAFE Ill is not merely about reducing emissions. It demands long-term planning, investment in advanced technologies and a complete rethink of product portfolios. For an industry that generated Rs.3.56 lakh crore in turnover during the first half of FY2027 as per the implications extend far beyond regulation, influencing manufacturing strategies, supplier investments and technology roadmaps.
India introduced its first CAFE norms in 2017, setting a fleet-average emission target of 130 g of CO2 per kilometre. The second phase, implemented in April 2022, tightened the limit to 113 g/km, encouraging manufacturers to improve engine efficiency and vehicle design.
CAFE III represents a much steeper challenge. Drafted by the Bureau of Energy Efficiency (BEE) and accepted by the industry in April 2026, the new framework proposes a fleet-average target of approximately 91.7 g/km, representing nearly a 19 per cent reduction compared to the current requirement.
For a market where Internal Combustion Engine (ICE) vehicles continue to dominate sales, the transition is significant.Incremental improvements alone will no longer be sufficient.
Understanding the Fleet Average
One of the defining features of CAFE regulations is that they do not impose emission limits on individual vehicles. Instead, compliance is calculated through the sales-weighted average emissions of an automaker’s entire vehicle portfolio. This allows manufacturers to continue selling large SUVs or premium vehicles with relatively higher emissions, provided they offset them with sufficient volumes of electric vehicles, hybrids or highly fuel-efficient models.
For component manufacturers, this distinction is critical. Every shift in an OEM’s product mix directly influences demand for batteries, electric drivetrains, power electronics, lightweight components, advanced transmissions and thermal management systems.
CAFE Ill also introduces two important structural changes that distinguish it from earlier phases. The first is a three-year compliance block instead of annual assessments. This gives manufacturers greater flexibility to schedule vehicle launches, expand electrified portfolios and balance emissions over multiple years.
The second is the introduction of emissions pooling. Up to three manufacturers will be permitted to jointly meet fleet-average targets by combining their compliance performance.
This mechanism could fundamentally reshape industry partnerships. Manufacturers with strong EV portfolios may become valuable compliance partners for companies that remain dependent on conventional ICE products, creating new forms of strategic collaboration across the automotive value chain.
Perhaps the biggest structural change underCAFEIII is the introduction of super credits, designed to accelerate the adoption of cleaner powerstrains.
Under the proposed framework:
Vehicle Type Compliance Multiplier
Electric Vehicles. 3.0x
Plug-in Hybrid Vehicles. 2.5x
Strong Hybrid Vehicles. 2.0x
These multipliers mean that one electric vehicle contributes three times toward a manufacturer’s fleet-average calculation. Consequently, even relatively modest EV volumes can substantially improve compliance performance.
For OEMs, this creates a powerful incentive to accelerate EV and hybrid launches. For suppliers, it signals sustained demand for components such as battery packs, electric motors, inverters, power electronics, charging hardware and lightweight structural materials.
Industry Responds with Mixed Views
Although the industry formally accepted CAFE III in April 2026, consensus did not come without debate. The Society of Indian Automobile Manufacturers ( had expressed concerns over an earlier proposal that recommended progressively tighter annual targets between 2028 and 2032, eventually reaching 77.08 g/km. Instead, SIAM supported a single fixed target of 89.6 g/km throughout the compliance period. The discussion reflected broader concerns about technology readiness, investment timelines and affordability, particularly in a market where small and affordable passenger cars remain dominant. Manufacturers with established electrification strategies appear better positioned for the transition. Companies that have invested early in battery-electric and hybrid technologies are expected to adapt more comfortably than those whose portfolios remain heavily dependent on conventional ICE models.
CAFE Evolution at a Glance
Phase Period Fleet CO2 Target. Key Highlights
CAFE I FY2017–FY2022 130 g/km Introduction of Fleet-average norms
CAFE II FY2022–FY2027. 113 g/km Tighter emission target with annual assessment
CAFE III FY2027–FY2032 ≈91.7 g/km Super credits, three-years compliance block and emissio pooling
For India’s auto component sector, CAFE Ill is more than an emissions regulation; it represents a major industrial transformation.
Demand is expected to rise for:
• Electric drivetrains and traction motors
• Battery systems and battery management technologies
• Power electronics and semiconductor-based controllers
• Lightweight aluminium and advanced steel components
• Thermal management systems
• Efficient transmissions and hybrid powertrain technologies
At the same time, suppliers focused primarily on conventional engine components may face slower long-term demand growth unless they diversify into next-generation mobility technologies. Investment priorities across the supplier ecosystem are already shifting towards localisation, electrification and advanced manufacturing capabilities.
The Road Ahead
CAFE Ill is likely to become one of the most influential automotive policies introduced in India over the past decade. Its impact extends beyond emission reduction, influencing vehicle architecture, supply-chain localisation, technology investments and future manufacturing competitiveness. The regulation provides flexibility through fleet averaging, super credits and emissions pooling, yet its direction is unmistakable. Efficiency and electrification are becoming central pillars of India’s passenger vehicle industry. For auto component manufacturers, the coming years will not simply be about adapting to stricter standards. They will be about aligning product development, manufacturing capability and innovation with an automotive market undergoing its most significant transformation since the introduction of BS-VI norms.
