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Ammonia as a Green Fuel for Transportation

[+] Author Affiliations
Calin Zamfirescu, Ibrahim Dincer

University of Ontario Institute of Technology, Oshawa, Ontario, Canada

Paper No. ES2008-54328, pp. 507-515; 9 pages
  • ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences
  • ASME 2008 2nd International Conference on Energy Sustainability, Volume 1
  • Jacksonville, Florida, USA, August 10–14, 2008
  • Conference Sponsors: Advanced Energy Systems Division and Solar Energy Division
  • ISBN: 978-0-7918-4319-2 | eISBN: 0-7918-3832-3
  • Copyright © 2008 by ASME


In this paper, the potential benefits and technical advantages of using ammonia as a green fuel for transportation are analyzed based on performance indicators including the system effectiveness, the driving range, fuel tank compactness, and the cost of driving per km. Similar to hydrogen, ammonia is a synthetic product that can be obtained thermally, physically, chemically or biologically either from fossil fuels, biomass, or other renewable sources and can be used as a clean fuel. The refrigeration effect of ammonia is another advantage of it and is included in the efficiency calculations. The cooling power represents about 7–10% from the engine power, being thus a valuable side benefit of ammonia’s presence on-board. If the cooling effect is taken into consideration, the system’s effectiveness can be improved by about 20%. It is shown that if a medium size hydrogen car converted to NH3 , it becomes more cost effective per driving range as low as CN$3.2/100 km.

Copyright © 2008 by ASME



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