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 GHGenius 2.1 TagsElectrolysis
Ethanol
GHGenius 2.1
Hydrogen
LFG
Methanol
Natural Gas
Wheat
 GHG Emissions from Natural Gas Vehicles
 Prepared for Canadian Natural Gas Vehicle Alliance in January 2003
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The objectives of this work were to document the benefits of the use of natural gas as a vehicle fuel in three classes of vehicles. The vehicles classes that were of interest were:
  • Light duty vehicles using compressed natural gas, with a focus on full size passenger cars and vans.
  • Medium duty vehicles that could be fuelled with either compressed or liquefied natural gas. These might be refuse haulers or urban buses.
  • Heavy-duty trucks that use liquefied natural gas and the Westport Cycle engines.

For each of these classes of vehicles the impact that the fuel and engine has on greenhouse gas emissions, on the cost effectiveness of the greenhouse gas emission reduction and on criteria air contaminants were calculated and reported.

Tags: GHGenius 2.1 - Natural Gas
 Landfill Gas to Methanol
 Prepared for Natural Resources Canada in January 2003
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An interesting pathway to produce transportation fuel is to process landfill gas to methanol. Landfill gas typically contains 50-60% methane, which is a powerful greenhouse gas. The methane can be captured and then flared or used in an energy recovery process. There are a number of landfills, including some in Canada, which use the captured gas to produce steam and electricity. An alternative process is to convert the methane into a transportation fuel such as methanol. The methanol can be used in spark-ignited engines (M85), in modified compression ignited engines (M100), reformed onboard for use in fuel cell vehicles, or reformed to produce hydrogen for use in fuel ell vehicles.
This fuel cycle that uses landfill gas to produce methanol has been successfully added to GHGenius. The model has also expanded the use of hydrogen from electrolysis by adding a heavy-duty fuel cell pathway. Each of the new pathways has full functionality in the model including the summary sheets and the cost effectiveness calculations.

Tags: Electrolysis - GHGenius 2.1 - Hydrogen - LFG - Methanol
 Ethanol Production from Wheat
 Prepared for Natural Resources Canada in January 2003
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The production of ethanol from wheat is practiced commercially on a small scale in Western Canada. In addition to the Federal goal of increasing ethanol production, there are also proposals and actions to significantly expand ethanol production in Saskatchewan and Manitoba. The objectives of this work were to:
  • Add the wheat to ethanol upstream fuel cycle to the GHGenius model. The ethanol that is produced could be used wherever ethanol from corn is used so all of those full fuel cycles were added to the model.
  • While the GHGenius model calculates the greenhouse gas emission credits for co-products, the calculation of energy credits for the co-products is not currently included in the model. This improved functionality has been added to the model.


Tags: Ethanol - GHGenius 2.1 - Wheat
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