A closed loop CNG Kit system is one where the O2 sensor or lambda sensor in the exhaust gives feedback to the ECU controlling the CNG gas flow, and tells it whether exhaust emissions are within permissible limits or not. The ECU then regulates the gas flow accordingly to prevent too much pollution.
For better mileage and smooth performance
CNG Brands

Suraj Auto Gas installs only Italian CNG kits in vehicles. Italian Brands of CNG Kits –
Call us on +(91) 75062 50019 for information on CNG compatibility before you buy your new vehicle!