New fleet-efficiency rules are now on the books under the Corporate Average Fuel Economy-III framework. Beginning in 2027 and continuing until March 2032, permissible emissions for new cars will be tightened in stages. Over the first five years, regulators expect about a 17% lift in overall fuel economy across manufacturers' fleets.
Rather than dictating a single technology, the policy puts responsibility on each brand's entire portfolio. Hitting the marks becomes a matter of balancing SUVs, smaller cars, hybrids, and EVs. That is a big shift in the world's third-largest auto market, where the growing appetite for larger SUVs has made reducing fuel use tougher. As Deloitte India's Rajat Mahajan put it, "Adhering to the norms will require careful product planning and substantial investment in new-age technologies," noting that companies with sizable lineups that cannot pivot quickly may look to credit trading to steer clear of penalties.
India's approach borrows from Europe's fleet-average model but follows a more gradual path. The European Union is pushing for more aggressive reductions in pollution from newly sold cars over this decade. By contrast, India provides additional compliance pathways, such as bonus credits for low-emitting models and a system that allows trading of emissions credits.
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Carmakers exceeding their assigned benchmarks are permitted to create credits and sell them. Those that miss can carry deficits within defined compliance periods or buy credits, creating another route to meet the standards without rapidly reworking product lines. For investors, that means product planning, technology spending, and the new credit market could all influence how automakers with exposure to India pace their model launches and manage profitability.
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