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| 1) Who is GESI? |
| 2) What size station do I need? |
| 3) How much does a typical CNG fuel station cost ? |
| 4) How does CNG fueling work? |
| 5) What is the difference between Fast-Fill and Time-Fill ? And why would I choose one over the other? |
| 6) What is the cost of a gallon CNG ? |
| 7) Are there any grants or incentives for installing CNG fueling stations ? |
| 8) How do I get started ? |
| Who is GESI? |
| GESI is a California Licensed General Engineering Contractor [A-783360] and certified by the Texas Railroad Commission, for construction of CNG Fueling stations. The company is exclusively dedicated to the design, supply, manufacturing Construction and maintenance of CNG fuel station infrastructure. GESI has supplied, constructed or maintained over 100 CNG fuel stations over the past 9 years. GESI is the North American Packager for Gardner Denver gas compressors and packages a full range of compressors from 47 to 700 cfm, There are hundreds of GD compressor packages in use throughout the world. GESI is also the largest volume dealer for Fuel Maker, Corp. vehicle fueling appliances and is the dealer for Ingersoll-Rand cng compressor systems in California and Texas. GESI also offers KRAUSE fast fill CNG dispensers private labeled for GESI, fabricates time fill fueling panels, dome load/sequencing panels and offers other CNG related fueling equipment to include; Temporary CNG fuel compression trailers, CNG Tube Trailers as well as methane detection systems for vehicle maintenance facilities. GESI is unique in the industry, The company manufactures compressor skids, offers a broad range of durable compressor packages, and has its own construction and station maintenance crews and equipment. This means GESI is more efficient, offers lower cost station packages with local support. Your station gets constructed on spec, on time, on budget. Contact us with all your CNG fueling infrastructure questions. We would be pleased to have one of our experienced technical staff assist you with everything from sizing your CNG fueling station to Grant Funding Opportunities. |
| What size station do I need? |
| You must first Determine the amount of CNG fuel required daily for your CNG Fleet. For example a typical CNG school bus covers 80 miles per day, gets 4 miles per gallon and is parked at night for up to 12 hours or more. Assuming you have 6 CNG school buses in your fleet you will require 120 gge per night. (80 miles, divided by 4 pmg = 20 gge per bus, times 6 buses = 120 gge total.) Since you have 12 hours to accomplish fueling your system can be a time-fill type system and the compressor can be sized based upon your need of 120 gallons over a 12 hour period. |
| How much does a typical CNG fuel station cost ? |
| There is no "typical" CNG fuel station and the costs depend essentially upon 3 things. [1] The amount of CNG fuel required determines the type and size compressor needed . [2] The amount of fuel required over what period of time? [3] The site of conditions where the station is to be constructed. |
| How does CNG fueling work? |
| The primary components of a CNG station are, one or more gas or more gas compressors, a Gas dryer, time-fill fueling post assemblies, and might include a series of CNG fuel storage tanks and or a fast-fill island type dispenser with a credit card reader to activate fueling. The compressors take low line pressure gas from the main, compresses it up to High pressure and dispense it into CNG vehicles via time-fill or fast-fill fueling Methods. |
| What is the difference between Fast-Fill and Time-Fill ? And why would I choose one over the other? |
| If all or most of your agencies CNG vehicles return to one location overnight or during the day, for a period of hours, Time-Fill is the most efficient and economical means of fueling. In Time-Fill configuration the vehicles can be parked in their fueling stall, the hose connected and the vehicles will slowly fuel overnight. Fueling typically begins automatically when the first vehicles is connected and will shut off automatically when the last vehicle is full. No attendant needed. In a Fast-Fill configuration the CNG compressor takes the low line pressure gas and compresses it up to 5000 PSI into appropriately rated CNG storage vessels. CNG vehicles then pull up to CNG Fast-Fill dispenser which resembles an ordinary liquid fuel dispenser like you see at a gasoline station. Fast-Fill CNG fueling requires about the same amount of time as fueling with any conventional fuel. Most Fast-Fill CNG systems incorporate a credit card reader for authorizing, dispensing and billing the transaction. |
| What is the cost of a gallon CNG ? |
| This depends upon where it is purchased. There are many CNG public access fueling stations throughout California. Some are owned by private fueling companies others by various governmental agencies. Prices currently may range from $1.75 to $2.50 per [gge] gasoline gallon equivalent. You can download a CNG fueling station map book from the California Natural Gas Vehicle Coalition |
| Are there any grants or incentives for installing CNG fueling stations ? |
| Yes! There are many different pools of Grant funds for this purpose and the amount you may be eligible for depends upon a number of criteria. Our suggestion is to employ a qualified Grant Writer to review your CNG fueling needs and he or she can determine your eligibility for those funds as well as write the actual Grant Request for you. |
| How do I get started ? |
General Engineering Contractors CA# A-783360