The Government of India, Ministry of Power, issued average fuel consumption standards for cars on 23rdApril 2015. The fuel consumption standards would be effective from 2017-18 onwards, and a second set of standards would come into force from 2022-23.
The second standard assumes car average weight of 1145 kg in 2022, and requires the average fuel consumption to be less than 4.77 ltr/100km at this average weight. However, the value has been revised to 1082 kgs. notified vide S.O. 5020 (E) dated 06th December 2021, and the corresponding average fuel consumption is 4.89 l/100 Kms.