India's CAFE III norms from April 2027: PMO review complete

India is on the cusp of implementing its third phase of Corporate Average Fuel Efficiency (CAFE) norms, known as CAFE III, which are slated to take effect from April 2027 and will guide the automotive industry through March 2032 [2, 3]. This significant regulatory shift mandates substantially lower fleet-wide carbon dioxide (CO2) emissions for passenger vehicles, with proposed average CO2 emissions targeted around 88.4 grams per kilometre (g/km), a notable reduction from the current CAFE II level of approximately 113 g/km [2]. The proposal for CAFE III has moved through several stages of consultation and revision, involving various ministries including Power, Road Transport and Highways, and Heavy Industries. Most recently, the Power Ministry forwarded the finalized proposal to the Prime Minister's Office (PMO) after extensive stakeholder consultations [4, 8, 12, 20, 21]. A high-level meeting was held at the PMO to review the proposed framework, with a senior official indicating that guidelines would be ready by the end of March [6]. While the government insists on the April 2027 timeline, the auto industry had initially sought a delay, citing compliance and transition challenges [6]. A central point of contention in the CAFE III discussions has been the treatment of small cars. The Bureau of Energy Efficiency (BEE) has proposed a revised draft that reportedly removes a specific waiver for small cars, making the regulations more stringent across the board [5, 15]. However, there remains a division within the industry, with some manufacturers, notably Maruti Suzuki, advocating for concessions for smaller, lighter vehicles, arguing that uniform strictness could impact affordability and the core objective of making larger vehicles more efficient [4, 12, 13, 16]. Conversely, other manufacturers like Tata Motors argue that any leniency based on weight or affordability would compromise safety and dilute the environmental goals of the policy [12, 13, 21]. The revised draft also includes adjustments to the emissions slope linked to vehicle weight, making regulations potentially more stringent for heavier vehicles and requiring greater investment in electrification and advanced powertrain technologies [2]. The CAFE III norms are designed to accelerate the adoption of cleaner mobility solutions. This includes a significant push towards electric vehicles (EVs) and hybrids, which will play a crucial role in manufacturers meeting their fleet-average emission targets [3, 10]. Manufacturers exceeding their efficiency targets can generate credits, which can be used to offset shortfalls elsewhere or be traded with other companies [3, 19]. This mechanism aims to create a market-based approach for compliance [19]. Furthermore, there is a developing discussion around the zero-emission status of EVs. Under the proposed CAFE III, EVs may no longer be automatically considered zero-emission vehicles. Instead, their energy consumption (kWh/100km) will be converted into a petrol equivalent (litres/100km) for compliance calculations, encouraging greater energy efficiency in EVs themselves [18]. This aligns with India's energy conservation laws and acknowledges that while EVs have zero tailpipe emissions, they do consume energy that needs to be conserved [18]. The implementation of CAFE III is expected to lead to increased production costs for automakers, potentially translating into higher prices for consumers, particularly for entry-level vehicles [2, 3]. This could impact demand in price-sensitive segments [2]. However, the long-term aim is to foster innovation in engine technologies, lightweight materials, and powertrain diversification, steering the Indian automotive sector towards more sustainable practices and cleaner mobility over the next decade [3]. The government's firm stance on the April 2027 deadline indicates its commitment to these environmental goals, despite the industry's ongoing debates and lobbying efforts [6]. Overall, the CAFE III norms represent a critical step in India's journey towards reducing vehicular emissions and promoting sustainable transportation. The finalization of these norms by the PMO will set the trajectory for the Indian automotive market, influencing product strategies, technological investments, and consumer choices for years to come [3, 9].

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