compressed natural gas Articles

  • Optimising Compressed Natural Gas filling stations reservoir pressure based on thermodynamic analysis

    A theoretical analysis has been developed to study the effects various parameters on the Compressed Natural Gas (CNG) filling process and the conditions. The analysis is based on first and second laws of thermodynamics, conservation of mass and the AGA8 Equation of State (EOS). Based on AGA8 EOS and thermodynamics relationships, the required properties of natural gas mixtures have been ...


    By Inderscience Publishers

  • Exergy analysis and performance evaluation of CNG to LNG converting process

    A process for converting Compressed Natural Gas (CNG) to Liquefied Natural Gas (LNG) is modelled thermodynamically and effects of design and operating parameters on exergy destruction and performance of the process are studied. Results show that CNG pressure, pressure after Joule?Thomson valve, and temperature of CNG after heat exchanger of refrigerating system have significant effects on optimum ...


    By Inderscience Publishers

  • Strategies for the promotion of cleaner and energy efficient technologies in the urban transport system in selected Asian cities

    This paper presents key findings of a study conducted under Asian Regional Research Programme in Energy, Environment and Climate on least cost options to meet the projected transport service demand in eight selected Asian cities. It also presents the barriers to the adoption of the selected cleaner transport options. Furthermore, it discusses some policies and measures to promote the cleaner ...


    By Inderscience Publishers

  • The Delhi Pollution Case: Can the Supreme Court Manage the Environment?

    Judicial activism in the Indian Supreme Court has cre- ated major reforms in the protection of human rights and has put the Court in a unique position to intervene when it sees violations of these fundamental rights. But the Court’s eagerness to right societal wrongs can lead it to take deci- sions that are within the province of executive agencies. By usurping the role of agencies and directing ...


    By IOS Press

  • Analysis of policy options for promotion of clean and energy efficient technologies in the transport sector in Beijing

    As a extra-large city in China, Beijing faces a serious problem with air pollution. In 1998, a package of air pollution control measures was announced by local government. However in order to reach environment target, further policy options have to be explored. Based on previous studies on technology choices for urban transport in Beijing, this paper presents a policy assessment to examine these ...


    By Inderscience Publishers

  • Externalities in North–South technology transfer: the case of CNG engines in Iran

    This contribution focuses on illuminating the challenges and difficulties of North–South technology transfer. The central message of this paper is that North–South technology transfer is not simply a contract between two transacting firms and does not depend only on intra–firm and inter–firm factors. The process may also be influenced by a number of external factors, beyond the control or power ...


    By Inderscience Publishers

  • Case study - Pierce County, Washington: home of the first public transit fleet in the country to run on renewable natural gas

    Summary: Li 1986 Pierce Transit was one of the first public transit agencies in the U.S. to trade in its diesel and gasoline-powered buses for buses fueled by compressed natural gas (CNG). 27 years later, this pioneering Agency has just finalized a new contract with the local utility, Puget Sound Energy, to buy an even better fuel: the renewable compressed natural gas (R-CNG). This ...


    By Energy Vision

  • Biofertiliser plant design – food waste to biofertiliser and biogas

    This paper describes a plant that complies with Animal By-Products Regulations for Category II and III material. It will convert 30,000 tonnes food waste per year into bio-fertiliser, with a high degree of nutrient conservation, and biogas that will be used to generate electricity or could be processed to compressed natural gas, e.g. for automotive fuel. The design includes sustainable water ...


    By Cambi Group AS

  • Reducing CO2 in the transport sector in Japan

    In this paper, we have investigated the cost-effectiveness of alternative fuel vehicles as a measure for CO2 reduction. Computed results indicate that the installation of alternative fuel vehicles is much more expensive than fuel switching in industry or the power generation sector. However, some economic incentives will make the price go down to the level at which alternative fuel vehicles are ...


    By Inderscience Publishers

  • Case study - Grand Junction sets the pace with Colorado’s first biogas-to-vehicle fuel project at the Persigo wastewater plant

    In Georgia, renewable compressed natural gas (R-CNG) fuels sanitation vehicles and generates income for DeKalb County. Summary: Designed, built, and operated by the Energy Systems Group, the DeKalb County Renewable Fuels Facility became operational in Apiil 2012. It is die first facility in the US to have a fueling station on-site and generate electricity, renewable natural ...


    By Energy Vision

  • Biofertiliser plant design – food waste to biofertiliser and biogas

    This paper describes a plant that complies with Animal By-Products Regulations for Category II and III material. It will convert 30,000 tonnes food waste per year into bio-fertiliser, with a high degree of nutrient conservation, and biogas that will be used to generate electricity or could be processed to compressed natural gas, e.g. for automotive fuel. The design includes sustainable water ...


    By Cambi Group AS

  • How Waste Fleets Can Maximize Fuel Savings While Adopting CNG

    Natural gas and, specifically, compressed natural gas (CNG) fueling stations and vehicles running on CNG were all over the industry news in 2012. Organizations such as Republic and Veolia added CNG collection vehicles to their fleet makeup in Pennsylvania, Texas and Wisconsin, while Waste Management opened more than a dozen CNG fueling stations to support its growing fleet of CNG vehicles. ...


    By Waste Advantage Magazine

  • Monitoring Air/Fuel Mixtures in Glass and Glass Fiber Manufacturing case study

    Measurement of Premix Gas. To produce the desired flame in a glass forehearth or when making fiberglass (glass fiber) insulation, an air/fuel pre-mixer is used. The pre-mixer combines compressed natural gas or propane with air and this mixture is then piped to the process burners At the burner, a fuelrich or fuel-lean flame is produced depending on the air/ fuel ratio selected. In many ...


    By AMETEK Process Instruments

  • Alternative fuels and managing a diverse fuel portfolio

    Alternative fuels are becoming more prevalent in the marketplace at large and particularly within the waste industry. For example, Waste Management recently added its lOOOth natural gas fueled truck to its fleet this past summer. The alternative fuels that are going to work best for your fleet will take some investigation and research, but the prevailing data indicates that these solutions will ...


    By Waste Advantage Magazine

  • Chances for Bio-LNG

    Abstract An increasing effort is put into the utilization of organic waste streams in anaerobic digesters, producing useful products such as fertilizers and biogas. It becomes increasingly attractive to upgrade biogas to natural gas quality and consequently liquefy the gas to Bio-LNG. DMT Environmental Technology has been developing biogas treatment plants for over 25 years, closely ...

  • Where To Find Money In Biogas

    On the surface, wastewater treatment operations don’t appear to be handling precious material. But these facilities are actually processing a great deal of value every day. Sludge, a byproduct of wastewater treatment, turns out to be an entity worth cherishing. “Depending on treated sludge quality, the final product can be land applied, landfilled, incinerated, or composed,” ...


    By KLa Systems, Inc.

  • Captive power plant efficiency for Africa

    Power distribution networks across Africa are notoriously unreliable. Frequent power interruptions can be enormously costly for many of the continent’s factories. Not only do power outages disrupt production batches, they can also damage or reduce the life of important plant components such as kilns. This too has a knock-on effect on wider the country’s gross domestic product – ...


    By Clarke Energy

  • Case study - Grand Junction Sets the Pace with Colorado’s First Biogas-to-Vehicle Fuel Project at the Persigo Wastewater Plant

    The first biogas-to-vehicle fuel project in Colorado converts wastewater-derived biogas mto renewable natural gas (RNG) to fuel city and county fleet vehicles Summary: The Per si go wastewater treatment plant in Grand Junction, Colorado, a city of about 60,000, processes upwards of 8.2 million gallons per day of wastewater in two anaerobic digestion tanks (primary and ...


    By Energy Vision

  • BYD F3CNG details Highlights resolve

    BYD oil and gas of hybrid F3CNG models of oil and gas mixed three-box sedan design concepts borrowed from the Japanese, Korean automakers successful development experience and mode. The design concept of the "mm" (ie able to enjoy the interior space to maximize, car machine must occupy a minimum of space). The biggest bright spot of this model is the use of dual-fuel system can be dramatic ...

  • Power generation at a stationary engine application

    South Texas, USA Max Gross Power Output: 28kWe Thermal Heat Input: 235 - 450kWt Hot Water Input Range: 180 - 190°F Hot Water Flow: 200 GPM Direct Condenser: Ambient air temperature ranges from 30-100°F avg is 70°F ElectraTherm’s Gulf Coast distributor, Gulf Coast Green Energy (GCGE), is generating fuel-free, emission free power using the ElectraTherm ...


    By ElectraTherm

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