Compressed natural gas fueling facilities freese and nichols has developed compressed natural gas cng facilities and operating plans, including revenue opportunities working with nearby fleet managers, for municipal and private fleet customers throughout the southwestern united states. Clean cities 4 compressed natural gas cng stored in onboard tanks under high pressure fuel economy similar to gasoline 1 gge 5. Association for natural gas vehicles iangv between gasoline or diesel. When instrument air is used, and properly filtered and dried, system degradation is reduced and operating life is extended. Building a business case for compressed natural gas in. The supplementary report of the committee on compressed natural gas vehicular fuel systems is presented for adoption. With strategic expansion of an lng infrastructure network in specific regions, successful capture of the lng class 8 tractor market promises attractive economics and large market potential. Natural gas is normally compressed from 20 684 to 24 821 kpa 3000 to 3600 psig to increase its energy density thereby reducing its onboard vehicle storage volume for a given range and payload. Compressed natural gas and liquefied petroleum gas. Compressed natural gas, or cng, is natural gas under pressure which remains clear, odourless, and noncorrosive and can be used as a cheaper, greener, and more efficient alternative to the traditional petrol and diesel fuels for vehicles. The new alternative fuel for the algerian transportation sector. Compressed natural gas is one of the cleanest burning fuels available, making it a smart and environmentally friendly choice. Compressed natural gas is often used as a transportation fuel. Although natural gas is a proven, reliable alternative fuel that has long been used to power natural gas vehicles, only about twotenths of 1% is used for transportation fuel.
Compressed natural gas cng methane stored at high pressure is a fuel that can be used in place of gasoline, diesel fuel and liquefied petroleum gas lpg. All gases compressed and liquefied should be regarded as hazardous. Technical aspects of compressed natural gas properties, storage, safety problems and. Through drive nat gas, over 50 natural gas industry members work to expand the role natural gas can play.
This could cause injury to the eyes or body and create a fire hazard. For natural gas vehicles, it is stored compressed in special pressure tanks at a pressure of 200 bar. This is the energy that can be par tially recovered byexpansionturbines as electricity. Compressed natural gas is natural gas stored at a high pressure which can be used as an alternate for gasoline, propane or diesel fuel. This means well be able to save on energy costs and help. Liquid natural gas compressed natural gas recommendations 3 lng and cng taxation framework. Cng carrier technology relies on high pressure, typically over 250 bar 2900 psi, to increase the density of the gas, but it is still 2. Pdf technical overview of compressed natural gas cng. S compressed natural gas is often used as a transportation fuel. All application link files are in pdf format and require pdf viewer. Compressed natural gas and liquefied natural gas used as. Compressed natural gas cng can now be used as a fuel for gas fuelled captive power plants. Feb 19, 2017 compressed natural gas cng methane stored at high pressure can be used in place of gasoline petrol, diesel fuel and propanelpg. Compressed natural gas vehicle maintenance facility modification.
This allows more fuel to be stored per volume, among other things. The global ngv population has increased more than tenfold since 2000. Importers and exporters of natural gas must file monthly reports on their activities, as required in doefe order no. Cng requires a much larger volume to store the same mass of natural gas and the use of very high pressure on about 200 bar or 2,900 psi 3.
The technology of compressed natural gas cng youtube. With a tankful of gas, the vehicle can cover a distance between. Compressed natural gas cng has recently garnered interest as a transportation fuel because of these attributes and because of its cost savings and price stability compared to conventional petroleum fuels. What links here related changes upload file special pages permanent. Executive summary commercial natural gas utilized as a compressed natural gas cng or liquefied natural gas lng fuel in mobile heavyduty engine applications must consistently demonstrate. The fuel economy of cngpowered vehicles is comparable to that of. It will not operate on gasoline, diesel, or liquefied petroleum gas lpg fuel.
Install the fm80 in accordance with national fire protection association nfpa 52, can cgab149. Building a compressed natural gas cng refueling station. Guidelines for filing monthly reports reporting requirements. Cng compressed natural gas compressed natural gas, or cng, is natural gas under pressure which remains clear, odourless, and noncorrosive and can be used as a cheaper, greener, and more efficient alternative to the traditional petrol and diesel fuels for vehicles. Once a gas site has been identified, a well is drilled. Hazards associated with the use of compressed gases. Before using a compressed gas cylinder cylinder, users and handlers must be familiar with general and specific hazards associated with it. The compressor skid adopts motor drive, and an aspro piston dynamic balance less oil lubrication type compressor.
Americas natural gas alliance carbon dioxide compressed natural gas diesel gallon equivalent 1. Compressed natural gas cng can now be used as a fuel for gasfuelled captive power plants. Existing petrol vehicles can use cng by installing a bifuel conversion kit and the converted vehicle will have the flexibility of operating either on cng or petrol. There is an exemption certificate on file with the supplier b. Cng not only costs much less than gasoline and diesel, but also releases fewer pollutants into the air. In the united states, compressed natural gas cng is typically stored in a tank at a pressure of 3,600 pounds per square inch. Compressed natural gas cng carrier ships are those designed for transportation of natural gas under high pressure. Rich methane gas meets with rich gas ethane reheated by cooling heat exchanger, this steam of gas flows through the cng compressor to increase pressure to 25mpag, cng product can be obtained. Vehicles powered by this economical fuel are eligible for a clean air vehicle sticker, which allows single occupants to drive in high occupancy vehicle hov lanes. Liquid natural gascompressed natural gas recommendations. Why should you consider to convert to compressed natural gas. This rate schedule is applicable to any customer taking service at commission owned and operated compressed natural gas fueling stations for use as a motor vehicle fuel or for fleet. Cng can also be made from liquefied natural gas by elevating its pressure and vaporizing it to a gas. Natural gas is lighter than air and will vent upward but special consideration should be given to areas that may trap or contain explosive concentrations including areas of potential migration underground or through structures.
Compressed natural gas cng is a fuel that can be used in place of gasoline, diesel fuel and. Compressed state rapid expansion can take place, and with considerable force, when gas is released from the cylinder low temperatures some gases become cold when released rapidly. Cng combustion produces fewer undesirable gases than the. Mar 21, 2012 the technology behind compressed natural gas cng as a vehicle fuel is easy to implement. Cng and lng for vehicles and ships the facts transport.
Compressed natural gas for vehicles pacific gas and. Compressed gas cylinders range from small lecture bottles to large cylinders with more than 200 cubic feet of gas. Technical statement on commercial natural gas in cng and lng. Almost 3,000 of these natural gas vehicles are in australia and indicators suggest that australia will. Finite can provide a positive impact on efficiencies in each of these processes. Compressed natural gas fueling facilities c n g cng with a 30percent fuel savings and a potenti al revenue stream to help manage operati ons and maintenance budgets during ti mes of rising and unpredictable fuel prices. Bifiel, where the vehicle can run on either natural fuel. Use in natural gas vehicles what means cng and lng.
Following the same model, to be competitive, the cng industry will benefit greatly from. The aim of this part of iso 15403 is to provide manufacturers, vehicle operators, fuelling station operators and others involved in the compressed natural gas vehicle industry with information on the fuel quality for natural gas vehicles ngvs required to. Along with the economical and environmental benefits, new innovations are increasing public interest in. Compressed natural gas cng stored in onboard tanks under high pressure fuel economy similar to gasoline 1 gge 5. Like any kind of gas, natural gas can be pressurized using a compressor. This supplementary report was prepared by the technical. Natural gas use in the canadian transportation sector. Lng stations that dispense lcng compressed natural gas, or cng, produced from lng have the benefit of supporting both natural gas fuel types. Today, over 150,000 vehicles run on natural gas in the united states. Compressed natural gas and liquefied natural gas like conventional natural gas, rng can be used as a vehicle fuel after it is converted to compressed natural gas cng or liquefied natural gas lng. Cng combustion produces fewer undesirable gases than the aforementioned fuels.
Because it is a gas, it must be stored on board a vehicle in either a compressed or liquefied state. There are over 1,200,000 vehicles running on cng in the world. Compressed natural gas for fueling vehicles can be purchased at natural gas fueling stations and some organizations with a large fleet of compressed natural gas vehicles will install their own natural gas fueling infrastructure. Compressed natural gas is an alternative fuel that can be used to power a vehicle. Made mostly of methane, cng is natural gas thats compressed to a much smaller volume and stored and distributed in specially designed and tested containers at a high pressure. To view the complete docket listing, please click the docket index link pertaining to a particular docket. Compressed gas definitions compressed gasesthe dangers compressed gases are dangerous because they are under pressure and because they may be oxidizers and they may be corrosive, flammable, toxic, or highly toxic. Natural gas can be compressed, so it can stored and used as compressed natural gas cng. Cng compressed natural gas can be used in cars, vans, buses, lorries and even tractors.
The majority of diesel trucks of all classes fuel at public fueling stations. This deployment roadmap is innovative in nature and distinguishes itself from technology roadmaps in three fundamental ways. Spinon compressed natural gas filterspinon compressed. Technical aspects of compressed natural gas properties, storage, safety. Our approach provides a low initial investment, turnkey. Production treatment pipeline distribution gas production flow process natural gas comes from the ground.
Beginning july 1, 2015, this tax does not apply to the use of natural gas, compressed natural gas, or liquefied natural gas if the consumer uses the gas for transportation fuel rcw 82. The drive natural gas initiative drive nat gas is a membershipbased, collaborative effort of natural gas utilities and producers seeking to further develop the use of clean, domestic, affordable natural gas as a transportation fuel. Building a compressed natural gas cng refueling station learn about the benefits of building your own onsite cng refueling station. Compressed gas safety program ohio state university. Keep this manual in the vehicle for quick reference. The aim of this part of iso 15403 is to provide manufacturers, vehicle operators, fuelling station operators and others involved in the compressed natural gas vehicle industry with information on the fuel quality for natural gas vehicles ngvs required to develop and operate compressed natural gas vehicle equipment successfully. The gas filter coalesces oil mist generated from the fueling compressor into large droplets that can be drained using the valve at the bottom of the housing. The column to the right on the schedule is used to record total fuel taxdue, placed into individual vehicles. The contracts were initiated in order to help the federal government meet the vehicle acquisition requirements of the energy policy act of 1992 epact during a period of limited original equipment manufacturer oem model availability. Natural gas vehicles ngvs are convenient for fleets whose vehicles usually return to the same location each night for refueling.
Compressed natural gas cng cng exports by truck out of the u. The drive natural gas initiative drive nat gas offers this primer to help those desiring to get started in pursuing cng development. Natural gas is traditionally compressed to a pressure from 200 to 250 bars, which gives a 200250fold volume contraction. According to the natural gas vehicles for america, there are now over 320,000 vehicles in the united states that run on compressed natural gas. Natural gas transportation natural gas transportation. Be sure you know the type of compressed gas you are dealing with so you know the proper management requirements. Cng compressed natural gas 15,000,000 ngvs running worldwide fleets especially refuse are converting to cng for cost savings and environmental sustainability. The natural gas transportation process consumed roughly 3. There are significant potential hazards associated with compressed natural gas cng which the user andor installer must be aware of when using this product. Compressed natural gas cng methane stored at high pressure can be used in place of gasoline petrol, diesel fuel and propanelpg. Natural gas vehicle basics alternative fuels data center energy. Electricity production from natural gas pressure recovery. What is liquefied natural gas lng gas is compressed pressurized for transmission via gas trunklines to maintain proper pressure inside the reservoir reservoir pressure during the injection within the bedrock. Natural gas can be used in any vehicle that has been modified with a special carburetor and fuel tank.
Use tax brokered natural gas consumers of natural gas or manufactured gas, including cng and lng are subject to use tax rcw 82. Clothing can become saturated and burst into flames if touched by an ignition source such as a spark or open flame. The vast majority of natural gas in the united states is considered a fossil fuel because it is made from sources formed over millions of years by the action of heat and. Cng is primarily methane, which is a greenhouse gas that could contribute to global climate change if leaked. Rng has the potential to replace up to 10 percent of the natural gas used in the united states. Pdf technical overview of compressed natural gas cng as a. Its volume is thereby becoming significantly smaller. If you are in need to have a ford f150 cng tank replacement, click the link.
Compressed natural gas in australia worldwide there are 16. Committee on compressed natural gas vehicular fuel sstems and proposes for adoption,a supplementary report which documents its. Natural gas vehicle basics us department of energy. Since it is a compressed gas, rather than a liquid like gasoline, cng takes up more space for each gge gasoline gallon equivalent.
Natural gas as fuel source has a significant number of benefits versus diesel including reduced emissions and reduced fuel costs. Our first rig should be completed by late summer 2012. Renewable natural gas can be produced from landfills and livestock operations existing pipeline distribution system natural gas. Natural gas transportation natural gas transportationpipelines and compressed pipelines and compressed natural gas 5. Natural gas is a cleanburning, abundant, and domestically produced source of energy. And the economic, energetic and environmental matters of the introduction of the cng as fuel in the algerian transport sector will be discussed.
In comparison to other fuels, natural gas poses less of a threat in the event of a spill, because it is lighter than air and disperses quickly when released. There are many different types of gases, including. The fueldispensing facilities, storage containers and repair garages must all be. Natural gas is lighter than air and will not pool as a liquid or vapor.
It is safer than other fuels as natural gas is lighter than air and it disperses immediately when released. Spinon compressed natural gas filter the spinon compressed natural gas filter removes oil, condensation, particulate, and other contaminants from low pressure natural gas fuel systems. Use in natural gas vehicles in comparison to liquid fuels, biogas as a gaseous fuel has a lower energy density 0. It can be used as a replacement for gasoline, diesel or propane. Cngnatural gas vehciles overview and opportunities tn. Compressed natural gas cng as a fuel is clean, economical and has been in use worldwide to power vehicles.
Filters for the natural gas industry parker hannifin. Compressed natural gas cng is natural gas fuel that has been compressed to less than 1% of its volume at standard atmospheric pressure, making naturally odorless, colorless and gaseous. Cng is inexpensive to produce and store making it ideal for numerous fleet sizes. Convert gas pneumatic controls to instrument air contd gas often produces byproducts of iron oxidation, which can plug small orifices in the equipment resulting in operational inefficiencies or hazards. Due to the nature of lng and cng gasses, there will need to be a few different points of imposition of tax which would be as follows. Nevertheless, indoor leaks can form a flammable mixture in the vicinity of an ignition source. Compressed natural gas topics include introduction to cng, codes, advanced compressor topics, gas and electric compressors, station filtration, fueling procedures, safety, buffer panel design. A portion ofthe natural gas flowing through the pipeline powers the compressors. Sae j 16162017 recommended practice for compressed natural. Steam workshop ets2 cargoes compressed natural gas. Increasingly, natural gas vehicles are finding their place on the roads especially in municipal and commercial applications. Technical statement on commercial natural gas in cng and. Compressed natural gas vehicles require a greater amount of space for fuel storage than conventional gasolinepowered vehicles. Increased national interest in the development, operation, and use of compressed natural gas cng as an alternative vehicle fuel creates a need for an expanded cng vehicle refueling infrastructure.
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