CNG Full Form is Compressed Natural Gas. CNG which is nothing but Methane gas stored at a very high pressure. This can be used to replace petrol, propane or LPG, diesel, etc. Since it is natural gas, it can easily disperse when it leaks and hence considered very safe. Most often, CNG is collected from wastewater treatment, landfills, or over oil deposits.
The application of CNG includes automobiles designed with CNG compatibility of CNG or dual fuel. Vehicles like pick up trucks, trains, school buses, etc. make use of CNG due to its cost-effective and environmental-friendly features. Pakistan, Iran, and places in India like Mumbai, Delhi, Kolkata, etc., widely use CNG. Several other cities in India such as Kanpur, Lucknow, Ahmedabad, etc. also use CNG.