13 million vehicles globally operate on natural gas, and this number is increasing at the rate of approximately 18% per year.

Governments in the European Union and United States are supporting the use of CNG in the transport industry, reducing their emissions by 20–25% when compared directly to the petrol engine it replaces.

Only 0.02 % of Australian vehicles are capable of operating on CNG, despite the fact that nearly half of Australian residential and commercial premises are connected to natural gas.

61% of all vehicles in Pakistan run on CNG.