The hybrid version of the Renault Duster has been launched in India ahead of Diwali, and Renault claims that with this powertrain, the mid-size SUV is capable of returning a mileage of 29 km/l. That would make it the most fuel-efficient petrol car in India. India this video, our man Dhruv Paliwal takes a look at the design changes on the Duster hybrid, and a more in-depth look at the numbers surrounding the hybrid powertrain.