India Notifies New Fuel-Efficiency Norms for Passenger Vehicles From 2027

India has notified a new generation of Corporate Average Fuel Economy norms for passenger vehicles, setting progressively tighter fuel-consumption targets from April 1, 2027, to March 31, 2032. The framework will replace the existing CAFE regime and apply to new passenger vehicles manufactured or imported for sale in the country.

The Ministry of Power has designed the revised framework to improve fleet-level fuel efficiency while allowing manufacturers greater flexibility in choosing technologies. The new system covers conventional vehicles as well as electric, hybrid, flex-fuel and other advanced powertrains, creating a broader regulatory structure for India’s rapidly changing passenger vehicle market.

Fuel-Consumption Target Tightens Across Five Years

Under the new framework, the fleet-average fuel-consumption benchmark will progressively tighten from 3.996 litres per 100 kilometres in 2027-28 to 3.3273 litres per 100 kilometres in 2031-32. The Ministry of Power estimates that this represents an improvement of about 16.7 per cent over the five-year period.

CAFE norms do not simply impose an identical fuel-economy figure on every vehicle. They regulate the average fuel consumption of the passenger vehicles sold by each manufacturer, linking compliance to factors including the composition and weight of the manufacturerPM Modi and US President Trump Review Defence and Critical Technology Cooperation — The two leaders discussed trade, defence, energy and critical technologies during a telephone conversation and agreed to maintain close engagement under the Comprehensive Global Strategic Partnership.
Suggested title: India and US Review Defence, Energy and Critical Technology Cooperation‘s overall fleet.

This approach allows companies to offer different types and sizes of vehicles while ensuring that the combined performance of their fleet meets the prescribed efficiency standard.

Revised Formula Reflects India’s Heavier Passenger Vehicle Fleet

One notable change is the revision of the weight-based target structure. The reference weight used under the CAFE calculation has been increased from 1,082 kilograms under the existing framework to 1,229 kilograms under the new norms, an increase of about 13.6 per cent.

The target line has also been flattened. According to the Ministry of Power, this provides relatively softer targets for lighter vehicles while placing greater fuel-efficiency requirements on heavier vehicles.

The change reflects the evolving composition of India’s passenger vehicle market, where larger vehicles now form a significant part of overall sales. Rather than applying a rigid uniform standard, the revised mechanism attempts to preserve a weight-sensitive approach while continuing to improve overall fleet efficiency.

Electric Vehicles, Hybrids and Flex-Fuel Cars Receive Recognition

The CAFE 2027 framework provides additional regulatory incentives for cleaner vehicle technologies. Battery electric vehicles, range-extended electric vehicles, plug-in hybrids, strong hybrids and flex-fuel vehicles will receive volume derogation factors, commonly referred to as super credits, in fleet-average calculations.

These provisions can make advanced powertrains more valuable to manufacturers when calculating compliance across their entire vehicle portfolio.

The framework therefore does not prescribe a single technological route. Manufacturers can improve fuel efficiency through electrification, hybridisation, vehicle engineering, alternative fuels or combinations of different technologies.

Ethanol, Biofuels and CBG Included in the Framework

The new norms also introduce a Carbon Neutrality Factor to recognise renewable and low-carbon fuels, including ethanol-blended petrol, biofuels and compressed biogas.

This gives manufacturers another route towards improving their fleet-level CAFE performance beyond conventional reductions in vehicle fuel consumption. It also connects fuel-efficiency regulation more closely with India’s wider shift towards domestically produced alternative fuels.

The inclusion of different fuel pathways is particularly relevant as the Indian automobile sector increasingly combines electric mobility with ethanol, biofuels, CNG, hybrids and other technologies rather than relying on a single transition model.

Twelve Fuel-Saving Technologies Can Receive Credit

Another significant change is the expansion of recognised fuel-conservation technologies from four to twelve.

Eligible technologies can receive a concession equivalent to 1 gram of carbon dioxide per kilometre for each approved technology, subject to a maximum cumulative benefit of 9 grams of carbon dioxide per kilometre.

The government has highlighted technologies such as solar-reflective paint, advanced glazing and high-efficiency air-conditioning systems among the innovations that can contribute to improved vehicle energy efficiency.

Such measures may appear comparatively small at the individual-vehicle level, but their effect becomes significant when deployed across millions of passenger vehicles.

New Credit Trading System Gives Manufacturers More Flexibility

The CAFE framework also introduces greater flexibility in how automobile manufacturers manage compliance.

Companies performing better than their required target will be able to generate credits and carry them forward within specified compliance periods. Manufacturers facing a compliance shortfall may use eligible carried-forward credits, exchange or trade credits with other manufacturers, or purchase credits through a buyout mechanism administered by the Bureau of Energy Efficiency.

Manufacturers may also meet their obligations over specified two-year or three-year compliance blocks. This provision is intended to accommodate changes in product launches, powertrain availability and fleet composition during the five-year transition.

The ability to generate and trade credits introduces an additional market mechanism into India’s vehicle-efficiency regulation while retaining overall fleet-level targets.

MIDC and WLTP Testing Will Operate During the Transition

Manufacturers will report vehicle performance under both the Modified Indian Driving Cycle and the Worldwide Harmonized Light Vehicles Test Procedure.

The dual-reporting arrangement is intended to support India’s gradual movement towards internationally harmonised vehicle testing practices. The Bureau of Energy Efficiency’s CAFE framework measures corporate fuel consumption using standardised laboratory testing and converts vehicle performance into petrol-equivalent fuel-consumption values.

This transition is important because regulatory fuel-economy calculations depend heavily on consistent test procedures across different models and powertrains.

Small-Volume Manufacturers Remain Exempt

Manufacturers selling fewer than 1,000 passenger vehicles annually will continue to remain exempt from the fleet-average obligation.

The exemption prevents the regulatory structure from placing the same compliance burden on very small-volume manufacturers as it does on companies selling hundreds of thousands or millions of vehicles annually.

For the larger automobile manufacturers that dominate India’s passenger vehicle market, however, CAFE performance will increasingly influence vehicle design, powertrain strategy and product planning.

CAFE Norms Measure the Manufacturer’s Entire Fleet

Corporate Average Fuel Economy regulation differs from a simple minimum mileage requirement for individual cars.

The Bureau of Energy Efficiency calculates fuel performance across the vehicles sold by a manufacturer during a reporting period. Petrol, diesel, LPG, CNG, hybrid and electric passenger vehicles can form part of the corporate calculation, with fuel consumption expressed in petrol-equivalent terms.

This means a manufacturer selling less-efficient large vehicles can improve its corporate average by increasing sales of highly efficient cars, hybrids or electric vehicles, subject to the calculation rules and incentives specified under the framework.

As a result, CAFE regulations influence not only vehicle engineering but also the overall product mix offered by automobile manufacturers.

A Five-Year Roadmap for India’s Automobile Industry

The government circulated draft CAFE-III norms for stakeholder consultation in July 2026 before finalising the framework. The consultation covered manufacturers, industry bodies, academia and other stakeholders.

The final notification now provides the automobile industry with a defined efficiency roadmap extending through March 2032.

For manufacturers, the next phase will involve balancing conventional internal-combustion vehicles with electric vehicles, hybrids, alternative-fuel models and increasingly efficient vehicle technologies. For India’s wider energy system, the gradual reduction in fleet fuel consumption can moderate petroleum demand as passenger vehicle ownership continues to expand.

The new CAFE norms therefore represent more than a change in mileage standards. They establish a technology-neutral framework in which efficiency improvements, electric mobility, hybrids, renewable fuels and advanced automotive engineering can develop together, giving India’s passenger vehicle industry a clear regulatory direction for the second half of the decade.

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References

Press Information Bureau, Ministry of Power — “New Corporate Average Fuel Economy (CAFE) Norms Notified,” September 30, 2026. Press Information Bureau

Akashvani News / News On AIR — “Govt notifies new Corporate Average Fuel Economy norms for passenger vehicles,” September 30, 2026. Akashvani News

Bureau of Energy Efficiency — Corporate Average Fuel Efficiency Scheme Overview. Bee India

Press Information Bureau, Ministry of Power — “Ministry of Power Circulates the Draft Corporate Average Fuel Economy 2027 Norms (CAFE-III) for Stakeholder Consultation,” July 16, 2026. Press Information Bureau

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