What is the primary use of compressed natural gas (CNG)?

Compressed natural gas (CNG) is primarily used as a substitute for gasoline, diesel, and propane in vehicles. This is largely due to its lower emissions and cost-effectiveness compared to traditional fossil fuels. CNG can power a variety of applications, especially in transportation, where it serves as a cleaner-burning alternative for cars, buses, and trucks.

While it does have other uses, such as in some industrial processes or as a raw material in the production of fertilizers, those applications do not represent its primary use. The dominant role of CNG in fueling vehicles highlights its significance in efforts to reduce air pollution and promote energy independence.