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Question
Dear Carl

Is the input gas source to the CNG dispenser machine is a underground cng gas pipeline Or from Truck filled with CNG gas Or it can Accept both gas sources at the fuel stations?.

Thanks
Prashant

Answer
Prashant,

It seems that CNG can be supplied by permanent mounted tanks, tanker trucks, or a pipeline.

How natural gas is delivered to transportation customers in California:

In 2004, California produced 15.4 percent of its natural gas from in-state wells. The rest is imported by pipeline from Canada and the Rocky Mountain and Southwestern states. California gas utilities such as Pacific Gas and Electric, Southern California Gas, and San Diego Gas & Electric distribute the fuel to customers. Most CNG vehicle fueling stations are owned and operated by private companies and local governments.

How is natural gas stored?

In smaller fueling locations and on vehicles, CNG is stored in thick-walled steel, aluminum, or composite tanks built to last more than 20 years.

http://www.consumerenergycenter.org/transportation/afvs/cng.html

http://www.eia.gov/pub/oil_gas/natural_gas/analysis_publications/ngpipeline/proc

http://www.climatetechwiki.org/technology/cng

Carl  

4 Wheel Drive/SUVs

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Carl Brandt

Expertise

Will discuss suspensions, lifts, lockers along with tire suggestions. Trail ratings and possible requirements needed for specific type of trails. Safety equipment and what you should carry with you. Certified off-road instructor. I am not a mechanic, and 4-Wheeling is a hobby, so if I can't answer a technical question it is due to my mechanical knowledge being related to vehicles that I have owned, or have worked on. I do not have manuals on all vehicles, and I suggest that you obtain a repair manual for mechanical problems and do some research before asking your question. Most mechanical questions can't be answered completely without looking at, or listening to the vehicle in person.

Experience

40 plus years of 4 wheeling in a variety of vehicles. At the present time, my major off-road rig is a 94 Jeep Wrangler with a spring over and a 1 1/2" suspension lift. This gives me a total lift of 7" or so. I have lockers front and rear. I have removed the track bars, and sway bar for maximum articulation. I am running a stock 2.5 ltr 4 cylinder with a Jacobs ignition along with a cold air high flow filter. It has 4.56:1 gears with a Dodge NV4500 transmission along with a 3.8:1 Atlas II transfer case. This gives me a final ratio of 105:1 in low gear/low range. Other vehicles I own, are a 96 Ford F-250 with a 6" lift, posi rear end, 36" Hummer tires, 5 speed with a fuel injected 460 ci engine, an 87 Samurai with an 8" lift, Ford 9" rear end with a spool, Chevy Dana 44 front end with an electric locker, 5.88 gears, 16% reduction in high range and a 6.5:1 low range with 35" Baja Claws, and a stock 2003 Grand Cherokee Overland. Trails I have run are the Rubicon (10 times), Dusey Ershim, Fordyce Creek trail, McGrew trail, several trails in Moab, Utah along with local monthly runs.

Organizations
Lost Coast 4x4's Cal 4-Wheel Corva UFWDA Blue Ribbon Coalition

Education/Credentials
Certified off-road instructor - Certificates in engineering/electronics

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