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Natural gas is an odorless, nontoxic, gaseous mixture of hydrocarbons—predominantly methane (CH4). 

It is domestically produced and readily distributed through pipelines in the united states and in pennsylvania. It is a gaseous fuel which means, it must be stored onboard a vehicle in either a compressed gaseous or liquefied state. Compressed natural gas (cng) is typically stored in a tank at a pressure of 3,000 to 3,600 pounds per square inch. Liquefied natural gas (lng) is super-cooled and stored in its liquid phase at -260°f in special insulated tanks. Natural gas is sold in units of gasoline (gge’s) or diesel (dge’s) gallon equivalents based on the energy content of a gallon of gasoline or diesel fuel.

Compressed Natural Gas (CNG)

To provide adequate driving range for a vehicle, CNG is stored in cylinders at a pressure of 3,000 to 3,600 pounds per square inch. A CNG-powered vehicle gets about the same fuel economy as a conventional gasoline vehicle on a gasoline gallon equivalent basis. A GGE equals about 5.66 pounds of CNG. CNG is used in light, medium and heavy-duty applications.

Liquefied Natural Gas (LNG)

LNG is produced by purifying natural gas and super-cooling it to -260°F to turn it into a liquid. Because it must be kept at cold temperatures, LNG is stored in double-walled, vacuum-insulated pressure vessels. LNG is good for trucks needing a longer range because liquid is more dense than gas (CNG) and, therefore, more energy can be stored by volume in a given tank. LNG is typically used in medium and heavy-duty vehicles; a GGE equals about 1.5 gallons of LNG.

The Basics of Natural Gas

Information on the benefits and considerations of natural gas.

Natural Gas Fuel Station Locator

Find a fueling station near you.  

Fuel Prices

View the latest National Average Price Report for Alt Fuels

Past CNG Workshop Presentations

Other Resources

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