Liquefied Natural Gas Criteria/Comparative Values for Use as an Automotive Fuel

Hanshaw, Geoffrey; Pope, Gary

doi:10.4271/961178

Cited by 4 publications

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“…The NGVC is working with the SAE on this issue and has a working committee in place. One suggested practice [5][6][7] has been to use only high purity LNG, greater than 98% methane. With this approach weathering of the fuel is not a problem.…”

Section: Discussionmentioning

confidence: 99%

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Liquefied Natural Gas for Trucks and Buses

Wegrzyn¹,

Gurevich

2000

SAE Technical Paper Series

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Liquefied natural gas (LNG) is being developed as a heavy vehicle fuel. The reason for developing LNG is to reduce our dependency on imported oil by eliminating technical and costs barriers associated with its usage. The U.S. Department of Energy (DOE) has a program, currently in its third year, to develop and advance costeffective technologies for operating and refueling natural gas-fueled heavy vehicles (Class 7-8 trucks).The objectives of the DOE Natural Gas Vehicle Systems Program are to achieve market penetration by reducing vehicle conversion and fuel costs, to increase consumer acceptance by improving the reliability and efficiency, and to improve air quality by reducing tailpipe emissions. One way to reduce fuel costs is to develop new supplies of cheap natural gas. Significant progress is being made towards developing more energy-efficient, low-cost, small-scale natural gas liquefiers for exploiting alternative sources of natural gas such as from landfill and remote gas sites. In particular, the DOE program provides funds for research and development in the areas of; natural gas clean up, LNG production, advanced vehicle onboard storage tanks, improved fuel delivery systems and LNG market strategies. In general, the program seeks to integrate the individual components being developed into complete systems, and then demonstrate the technology to establish technical and economic feasibility. The paper also reviews the importance of cryogenics in designing LNG fuel delivery systems.

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Section: Discussionmentioning

confidence: 99%

“…LNG as a transportation fuel has been the subject of several studies [5][6][7][8]. The two types of LNG fuel delivery systems being looked at in this paper are the vapor collapse (saturated) system and the vapor return system.…”

Section: Fuel Delivery Systemsmentioning

confidence: 99%

Liquefied Natural Gas for Trucks and Buses

Wegrzyn¹,

Gurevich

2000

SAE Technical Paper Series

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“…The development of LNG technology is stalled due to a lack of wellfunctioning distribution networks. LNG distribution stations are responsible for, inter alia, maintaining safe technical parameters of intermodal, cryogenic LNG tank containers over a long time period [39,40]. Storage of LNG in cryogenic tank containers makes it possible to distribute LNG to end users by all possible means of transport and-as a result-improves the availability of LNG fuel.…”

Section: Literature Reviewmentioning

confidence: 99%

LNG Logistics Model to Meet Demand for Bunker Fuel

Orysiak,

Zielski,

Gawle

2024

Energies

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The main objective of this manuscript is to build a model for the distribution of LNG as a marine fuel in the southern Baltic Sea based on a genetic algorithm in terms of cost. In order to achieve this, it was necessary to develop, in detail, research sub-objectives like analysis of the intensity of ship traffic in the indicated area and analysis of LNG demand in maritime transport. In the first part of this study, the authors use data from the IALA IWRAP Mk2 and the Statistical Office in Szczecin to analyse the marine traffic density (by type of vessel) in the southern part of the Baltic Sea. LNG used as marine fuel reduces toxic emissions into the atmosphere. The authors specify the LNG fleet size and locations of LNG storage facilities in a way to ensure that the defined LNG bunker vessels can supply fuel to LNG-powered vessels within the shortest possible time period. The database contains a set of traits necessary to determine the optimal demand for LNG. The traits were developed based on an existing LNG fleet and appropriately selected infrastructure, and they represent existing LNG-powered vessels as well as LNG bunker vessels and their specifications. Based on the created LNG distribution model, were performed in Matlab R2019a software. An LNG distribution model was developed, which uses a genetic algorithm to solve the task. The demand for LNG for the sea area under analysis was determined based on data on the capacity of LNG-powered vessels (by type of vessel) and their distance from the specified port.

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“…Generally, diesel fuel containers are a low-pressure tank and kept uninsulated. However, LNG must be kept in a very well insulated and pressurized tank to minimize vapor loss and weathering because of its cryogenic nature [49]. To utilize LNG in a vehicle, a fuel control system is required, which consists of a pressure management system, vaporizer, fill and vent connections and a cryogenic tank.…”

Section: Descriptions Of the Additional Componentsmentioning

confidence: 99%

A Review on Liquefied Natural Gas as Fuels for Dual Fuel Engines: Opportunities, Challenges and Responses

et al. 2020

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Climate change and severe emission regulations in many countries demand fuel and engine researchers to explore sustainable fuels for internal combustion engines. Natural gas could be a source of sustainable fuels, which can be produced from renewable sources. This article presents a complete overview of the liquefied natural gas (LNG) as a potential fuel for diesel engines. An interesting finding from this review is that engine modification and proper utilization of LNG significantly improve system efficiency and reduce greenhouse gas (GHG) emissions, which is extremely helpful to sustainable development. Moreover, some major recent researches are also analyzed to find out drawbacks, advancement and future research potential of the technology. One of the major challenges of LNG is its higher flammability that causes different fatal hazards and when using in dual-fuel engine causes knock. Though researchers have been successful to find out some ways to overcome some challenges, further research is necessary to reduce the hazards and make the fuel more effective and environment-friendly when using as a fuel for a diesel engine.

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Liquefied Natural Gas Criteria/Comparative Values for Use as an Automotive Fuel

Cited by 4 publications

References 0 publications

Liquefied Natural Gas for Trucks and Buses

Liquefied Natural Gas for Trucks and Buses

LNG Logistics Model to Meet Demand for Bunker Fuel

A Review on Liquefied Natural Gas as Fuels for Dual Fuel Engines: Opportunities, Challenges and Responses

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