if your running more than 50 Km/ Day. Ertiga and brezza has same engine... Ertiga coming with CNG variant... Don't worry, can use CNG and enjoy low running cost.... Be careful about CNG ...
You could fit CNG in Honda Jazz but we wouldn't recommend. As it would not be a feasible option to fit a CNG kit in Honda Jazz. Moreover, we would suggest you get in touch with the nearest ...