Tata Motors, Mahindra Dominate Global EV Efficiency Rankings: ICCT Report

India’s electric vehicle (EV) push has received a global endorsement, with Tata Motors and Mahindra emerging as the most energy-efficient EV manufacturers worldwide, according to a new study by the International Council on Clean Transportation (ICCT). The ICCT’s Global Automaker Rating 2025 places Tata Motors at the top of the rankings with an adjusted energy consumption of 106 Wh/km, followed by Mahindra at 113 Wh/km. 

The results position both companies ahead of the established global automakers in terms of EV efficiency.

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The annual assessment reviews 22 leading automotive manufacturers across 10 parameters and groups them into categories such as “Leaders”, “Transitioners” and “Laggards”, based on their progress towards zero-emission mobility. 

Mahindra features in the rankings for the first time this year, reflecting the increasing representation of India’s passenger vehicle market. Tata Motors, meanwhile, continues to be classified as a “Transitioner”.

The report highlights the potential role of India’s efficient EV technologies in strengthening the country’s broader energy security ambitions. It notes that while India has set a target of achieving 30 per cent EV penetration by 2030, electric vehicles currently account for around 4 per cent of new passenger vehicle sales.

According to the ICCT, reaching this target will depend on a combination of policy support, including demand incentives, industrial backing and tighter fuel-efficiency regulations such as the proposed CAFE III norms.

The study indicates that the industry’s focus is moving beyond the decision to adopt electric mobility, towards the pace at which manufacturers can introduce competitive EV offerings across segments and markets.

Amit Bhatt, India Managing Director at ICCT, said it was encouraging to see domestic manufacturers leading the country’s EV transition, adding that stronger regulatory frameworks could help accelerate progress towards the 2030 goal.

Dale Hall, ICCT’s global programme lead, pointed to a wider shift in the global automotive landscape, noting that electric vehicles accounted for 25 per cent of new light-duty vehicle sales worldwide in 2025. He added that most major automakers increased their EV share during the year.