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Natural Gas: Compressed Natural Gas (CNG) and
Liquified Natural Gas (LNG)

Return to Cleaner
Fuel Use Index

Another cleaner fuel option is to purchase vehicles that
run on compressed natural gas (CNG) or liquefied natural
gas (LNG). CNG is a mixture of hydrocarbons, mainly methane,
and is produced from gas wells or in conjunction with crude
oil production. It can also be recovered from landfills.
LNG is natural gas in its liquid form. When natural gas is
cooled to minus 259 degrees Fahrenheit (-161 degrees Celsius),
it becomes a clear, colorless, odorless liquid.

Vehicles powered by natural gas perform just like vehicles
powered by diesel fuel. The majority of natural gas consumed
in the United States comes from sources within North America.
Natural gas buses can reduce emissions of particulate matter
(PM) by about 70 to 90 percent if they meet Clean
Fueled Fleet
(EPA) requirements or have catalysts. Natural
Gas vehicles require special refueling facilities as well
as special maintenance facilities. For more information see
the websites below.

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Back to Top West Coast Collaborative  •  Last
updated on
October 5, 2007
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