Kudos to Maruti for providing a CNG variant in every car segment for every one. Look at the line up of CNG variants from Maruti @ http://www.vicky.in/slideshow/marutis-cng-cars-to-the-rescue-of-global-warming/
Introduction | Maruti Alto CNG | Maruti Wagon R CNG | Maruti Estilo CNG | Maruti Eeco CNG | Maruti Sx4 CNG