India, March 17 -- Numerous factors, such as lower acquisition costs, improved fuel economy, higher prices for gasoline and diesel, lower pollution emissions, etc., have contributed to the growing popularity of CNG as an alternative fuel option across India. Additionally contributing to the rise in popularity of this fuel is the expansion of CNG refueling stations. As a result, more and more passenger cars are being equipped with bi-fuel technology that combines gasoline and compressed natural gas.Several major carmakers, including Maruti Suzuki, Tata Motors, Hyundai, have started offering petrol-CNG cars in their portfolio.

(Also read: Looking for a CNG car under Rs.10 lakh? Here are the most affordable options available)

CNG, which is...