Introduction to CNG Fueling Systems – Part 4, Storage Vessels 
Friday, September 3, 2010, 02:09 PM - Installing CNG Stations, How CNG Works, CNG for Refuse, CNG for Transit, CNG for Goods Movement, Public CNG Fueling
Posted by Administrator


Storage vessels are designed to hold gas at high pressure after it leaves the compressors. Regardless of a CNG station's fueling pattern or dispensing system (slow-fill or fast-fill), gas storage systems can be extremely useful in reducing fill times and ensuring fuel availability at all times.
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Introduction to CNG Fueling Systems - Part 3, Natural Gas Compressors - Designing for Redundancy 
Thursday, August 5, 2010, 12:07 PM - Installing CNG Stations, How CNG Works, CNG for Refuse, CNG for Transit, CNG for Goods Movement, Public CNG Fueling
Posted by Administrator


Though it is certainly possible to successfully operate a CNG fueling station with a single compressor, in most cases fleets want fueling redundancy, to prevent potential fueling downtime and missed rollouts.
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Introduction to CNG Fueling Systems – Part 2, Natural Gas Compressors - Types and Sizing 
Thursday, July 29, 2010, 12:29 PM - Installing CNG Stations, How CNG Works, CNG for Refuse, CNG for Transit, CNG for Goods Movement, Public CNG Fueling
Posted by Administrator


Within any CNG fueling system, the natural gas compressors are the components that transform ordinary, low-pressure gas into a high-power vehicular fuel.
There are several types of gas compressors, most being classified as Positive Displacement compressors. This category of compressors can be broken down into two main types:

Reciprocating – Includes single-acting and double-acting designs, as well as diaphragm compressors

Rotary – Includes lesser used types such as scroll, screw and liquid ring compressors
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Introduction to CNG Fueling Systems – Part 1, Gas Dryers 
Tuesday, July 13, 2010, 04:36 PM - Installing CNG Stations, How CNG Works, CNG for Refuse, CNG for Transit, CNG for Goods Movement, Public CNG Fueling
Posted by Administrator


Natural gas enters the CNG equipment from the inlet line (also called a suction line) provided by the local gas utility. The first piece of equipment used in the process of producing CNG is the gas dryer. Pipeline gas often contains moisture and other impurities. Excessive moisture can affect the operation of the CNG compressors and even your vehicles, so it is important to use a dryer to ‘clean’ the gas to provide high quality fuel.
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Understanding Incomplete Fills on CNG Systems - Part 2 
Friday, June 4, 2010, 12:38 PM - Fueling at Trillium, How CNG Works, Public CNG Fueling
Posted by Administrator


As discussed in Part 1, gas temperature plays a crucial role in successful CNG fueling. Now we will look at the affects of outdoor temperatures on CNG fills.
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