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 GHGenius 2.3 TagsCoal
Crude Oil
Fuel Cell
GHGenius 2.3
Hydrogen
Hydrogen Transportation
Natural Gas
Wood
 Hydrogen Pathways, Greenhouse Gas Emissions and En
 Prepared for Fuel Cells Canada and Natural Resources Canada in December 2003
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Fifty pathways for transportation fuels are evaluated for their lifecycle greenhouse gas emissions. Forty-five of those involve hydrogen. Thirty-six pathways have been investigated for their energy use and thirty-one of those involve hydrogen. The hydrogen pathways that are studied include the following components:
  • Feedstocks. The following feedstocks can be converted to hydrogen: coal, crude oil, natural gas, biomass, nuclear energy, and hydropower (can also be used as a proxy for wind and solar).
  • Intermediate Products. In addition to the direct production of hydrogen, some of the feedstocks mentioned above can produce various intermediate energy carriers that can be used for the eventual production of hydrogen; these include methanol, electricity, ethanol, LPG, FT Distillate, and gasoline.
  • Distribution. Hydrogen can be produced on site or it can be produced at a central facility. The distribution from a central facility can be as a liquid or a compressed gas. The compressed gas can be distributed by pipeline or by truck. Liquid hydrogen can be distributed by truck or rail. Some of the pathways will only be feasible with large central facilities that require hydrogen distribution while others could be small decentralized systems or large central systems. The impacts of the distribution system on the results are discussed and the most likely option for each pathway can be modeled.
  • Utilization. The hydrogen could be used in an internal combustion engine or in a fuel cell. The data in GHGenius for the hydrogen ICE has been reviewed with a literature search to ensure that it is consistent with the latest developments in this area.


Tags: Coal - Crude Oil - Fuel Cell - GHGenius 2.3 - Hydrogen - Hydrogen Transportation - Natural Gas
 Coal and Biomass to Hydrogen
 Prepared for Natural Resources Canada in August 2003
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The goal of this work was to add two new hydrogen pathways, coal to hydrogen and biomass to hydrogen. The new pathways are fully integrated into GHGenius, for each fuel cycle the fuel will be used for both light duty and heavy duty applications fuel cell applications. All of the existing functionality of the model has be retained.
Both of these new pathways are likely to involve large individual plants. The hydrogen will be transported from these plants to the locations where it will be dispensed. Previous versions of GHGenius handled the transportation of hydrogen in different and less robust ways than the distribution of other fuels. This has been changed in this new version of GHGenius. The user now has much greater flexibility to model the way that hydrogen is distributed.

Tags: Coal - GHGenius 2.3 - Hydrogen - Hydrogen Transportation - Wood
(S&T)2 Consultants Inc. 2004 Important Notices