CAFE Norms

Imagine a school that doesn't grade every student on a single test, but instead grades each school's average performance across all its students combined, so a school can let a few students do poorly as long as enough others do well enough to bring the average up. Corporate Average Fuel Efficiency, CAFE, norms work exactly this way for carmakers, they don't require every single model sold to hit a fuel efficiency target, they require the sales-weighted average across a manufacturer's entire lineup to hit it.

This is precisely why CAFE norms shape product strategy so heavily, a carmaker that wants to keep selling a few large, less efficient SUVs, the vehicles with the fattest margins, needs those sales balanced by enough small, efficient cars or EVs elsewhere in its lineup to keep the fleet average compliant, and manufacturers that get this balance wrong face financial penalties.

That penalty exposure became very real in early 2026, when the government waived roughly Rs 2,700 crore in CAFE-2 penalties owed by nine carmakers, a figure that had itself already been revised down from an initial estimate of around Rs 7,800 crore, giving the industry breathing room just as tighter CAFE-III norms, applicable from FY2027-28 through FY2031-32, are being finalised with materially stricter fuel consumption and carbon emission targets.

The draft CAFE-III rules also explicitly reward EVs, hybrids and flex-fuel vehicles with compliance credit advantages over pure petrol or diesel models, meaning every time an Indian carmaker leans harder into hybrid or EV variants of a popular model, CAFE-III compliance math, not just consumer demand or fuel prices, is very often part of that specific product decision.