The document discusses efficiency norms in India to improve fuel efficiency in vehicles. By 2021, all vehicles in India must improve mileage by 10% compared to current levels. From 2022 onward, the target is a 30% improvement in fuel efficiency. Various methods are discussed to boost efficiency, such as reducing friction, weight, and air resistance. The Bureau of Energy Efficiency has implemented several programs, including fuel efficiency standards for passenger cars and heavy vehicles, labeling schemes, and standards for electric vehicles.