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About LNG

What is LNG?

LNG is a clear, colourless, non-toxic liquid that is produced when natural gas is cooled to -161ºC at atmospheric pressure. Being a liquid, LNG has 600 times the energy density of natural gas and three times the energy density of compressed natural gas (CNG).

LNG is starting to become a favoured option by large transport operators as this alternative fuel type is best suited to the heavy transport sector. CLICK HERE to locate your nearest LNG Registered Business.

What are the benefits of LNG over CNG?

The difference between LNG and CNG is the method of storage and the fuel density. LNG is often preferred over CNG because the higher fuel density increases the range a vehicle can travel, and from a safety perspective the significantly lower storage pressure makes LNG safer to store.

A further benefit is that the LNG refuelling station can be located on any site, whereas a CNG refuelling station must be located adjacent to a natural gas pipeline.

By liquefying natural gas, its volume is reduced approximately 600 times. This makes it easier and cheaper to transport over long distances and to store it in large quantities.

LNG is stored in twin skinned insulated storage vessels that are built to specifically hold LNG (including vehicle fuel tanks). Essentially LNG storage tanks are larger versions of a typical “thermos” flask. They are a tank within a tank, and a vacuum is maintained within the space between the two vessels. They are inherently very strong and are built to strict international codes and standards.

Why use LNG?

Lower fuel costs – Natural gas is an indigenous source of energy that is found throughout Australia.

Being locally produced, and in some cases a by-product of the petroleum industry, natural gas costs are typically lower than other forms of energy on a like for like basis. Therefore LNG has the potential to yield fuel cost savings for fleets that choose to consider this growing fuel type.

Further, unlike traditional transport fuels like diesel LNG price movements are less volatile and move in line with natural gas contracts, which tend to move quarterly in arrears.

Improved air quality – Natural gas is regarded as the cleanest burning fossil fuel. When used in modern truck engines, LNG can produce significantly less PM and Nitrogen Oxides than equivalent diesel engines.

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