FirmGreen Fuels Facts

How is it Compressed Natural Gas (CNG) used for powering vehicles?

This is accomplished by the following steps:

1. Natural gas is compressed and enters the vehicle through the natural gas dispenser or fill post
2. It flows into high-pressure cylinders that are located on the vehicle.
3. When the driver steps on the accelerator, the natural gas leaves the on-board storage cylinder, passes through the high-pressure fuel line and enters the engine compartment.
4. Gas then enters the regulator, which reduces pressure from up to 3,600 psi to approximately atmospheric pressure.
5. The natural gas solenoid valve allows natural gas to pass from the regulator into the gas mixer or fuel injectors.
6. Natural gas mixed with air flows down through the carburetor or fuel injection system and enters the engine's combustion chambers.

Are Natural Gas Powered Vehicles safe?

Natural Gas an ideal fuel source for many reasons, including safety.

Natural Gas is lighter than air. This means that it will not puddle (like gasoline) or sink to the ground like propane, which is heavier than air. Instead, Natural Gas will rise and dissipate in the atmosphere.

Natural gas also has a higher ignition temperature. This means that it is much harder to ignite. Also the storage systems used for compressed natural gas are infinitely stronger that the gasoline tanks found on cars and trucks today.

gCNG™ – Natural Gas from Renewable Resources

	What's the Difference?
YES	Natural gas, or methane, is a gas composed of four hydrogen molecules, and one carbon molecule.	YES
YES	Up to 95% less emissions when used in similar petroleum fueled vehicles	YES
YES	From a renewable, sustainable biogas resource*	NO
	* Natural gas (methane) is often associated with petroleum exploration as both are commonly found together in the same reservoir. Non-associated natural gas is gas that is found without oil. gCNG™ is a sustainable biofuel that comes from resources such as landfills, municipal waste water treatment plants, and livestock operations. FirmGreen's patented process enables economical cleanup of biogas to pipeline quality – improving air quality while producing a clean alternative fuel from local renewable resources!
YES	Safe: Lighter-than-air compressed natural gas is nontoxic and disperses quickly. It has a higher ignition temperature than gasoline and diesel fuel, which reduces the chances of accidental ignition.	YES

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