Renault Kwid, Kiger and Triber models have joined the bandwagon of factory-fitted CNG cars in India. All these three cars now come available with the option of CNG kit retrofitment from the French automaker. The Renault Kwid hatchback buyers have to spend ₹75,000 extra over and above the standard model if they seek to fit a CNG kit. The Renault Kiger and Triber models command an additional cost of ₹79,500 over and above the standard model’s ex-showroom price.