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Clean Fuels: CNG & LNG

What are CNG and LNG?
Natural gas consists primarily of methane (CH4). It can come from gas wells or as a by-product of crude oil production. CNG = Compressed Natural Gas. CNG vehicles store natural gas in high-pressurized onboard fuel cylinders at 3,000 to 3,600 pounds per square inch. LNG = Liquefied Natural Gas. LNG is stored in vehicles as a cryogenic liquid and is typically used in heavy equipment fleets with centralized fueling (e.g. garbage trucks).

Why are CNG and LNG Clean Air Choices®?
CNG vehicles produce far less of all regulated pollutants, including NOx and particulate matter, than comparable gasoline or diesel vehicles. In addition, CNG vehicles can produce less carbon dioxide and other greenhouse gases.

What about other benefits?

  • Energy Security - the majority of natural gas resources are domestic
  • Made close to home - products are made in local communities
  • Cost - prices may vary, natural gas is less expensive "at the pump" than gasoline and diesel fuel.
  • Flexibility; there are many natural gas vehicle models available. Also, the majority of homes in the U.S. have the ability to transmit natural gas.

For more information on CNG and LNG please visit the U.S Department of Energy, Energy Efficiency and Renewable Energy website or contact your local American Lung Association office.

  

American Lung Association of The Upper Midwest
490 Concordia Avenue
St. Paul, MN 55103-2441
Phone: 651-227-8014
Fax: 651-227-5459
Email: cleanairchoice@lungum.org
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