New fuel efficiency norms aim to bridge the gap between claimed and real-world mileage by factoring in air-conditioning usage ...

From October 2026, ARAI Car Mileage tests will be conducted with mandatory AC ON for more accurate mileage results.

Passenger vehicles including both Internal Combustion Engine (ICE) vehicles and electric vehicles (EVs), will be required to test fuel efficiency (or energy consumption for EVs) with the AC ...

The Ministry of Road Transport and Highways will require fuel efficiency tests with air-conditioning on and off, aiming to provide consumers with more accurate mileage figures.

The draft rules are open to public objections and suggestions for 30 days.