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 Fertilizer TagsBiodiesel
Canola
Corn
Crude Oil
Electricity
Ethanol
Fertilizer
GHGenius 2.0
GHGenius 2.6
GHGenius 3.16
Marine Oil
Natural Gas
Soybeans
Tallow
Yellow Grease
 2009 GHGenius Update
 Prepared September 2009
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This report covers an update of the following data in GHGenius. In some cases the structure of the model has been slightly changed to accommodate the time series but any difference in the results is due to the new input data and not due to any structural changes in the way that the model handles the new data.

1. International crude oil energy and emissions. Several new data sources have recently been identified. These include the International Oil and Gas Association (a time series from 2002 of the energy and GHG emissions of crude oil production for various regions of the world), data from the Alberta Energy Research Institute studies (some specific useful information for countries such as Mexico, Venezuela, Iraq, and Saudi Arabia), and the World Bank flaring study.

2. Canadian electricity. A time series of electric power production on a regional basis in Canada from 2000 has been be developed from Statistics Canada data. Regional generation efficiencies and proportions of power types have been extracted from the data.

3. Rail energy. Statistics Canada has a time series data for freight movement on Class 1 railways. This data has been compared to similar information from the United States and incorporated in the model.

4. Potash mining. Statistics Canada, CIEEDAC, and NRCan Comprehensive Energy Use Database provide a time series for energy consumption, quantity and type. This has been compared to the NRCan CIPEC report that was used as a data source in the model. The new information has been incorporated into the model.

5. Nitrogen fertilizer. Statistics Canada, CIEEDAC, and NRCan Comprehensive Energy Use Database all have a time series for information on this sector. These data sets do not include process energy consumption but that can be calculated. The data sets have been compared to the NRCan CIPEC report that was the base of data in the model.

6. Corn and Soybeans. Fertilizer and yield time series available from the USDA. Some Statistics Canada yield data on these crops and other Canadian crops is available as well. This time series data has been incorporated into the model.

7. Ethanol and Biodiesel energy requirements. New data from the United States is available for both these alternative fuels. An update and development of a time series for ethanol has been incorporated into the model.

8. Some users have identified a number of enhancements for the functioning of the EV macro in GHGenius. These modifications have been incorporated into GHGenius. They provide more functionality and having them in the public model will allow them to be continually updated as model enhancements are undertaken.

9. Natural gas update. The Canadian Gas Association has provided some recent information on distribution emissions. Unfortunately the report did not provide activity data but that that has been developed from other sources. In addition Statistics Canada has data on the natural gas sector and this will be reviewed to see if it can be worked into the model.


Tags: Biodiesel - Corn - Crude Oil - Electricity - Ethanol - Fertilizer - GHGenius 3.16 - Natural Gas - Soybeans
 Biodiesel GHG Emissions Update
 Prepared January 2005
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The production of biodiesel from vegetable oils, tallow and yellow grease was added to GHGenius in 2002. In 2004 the production and conversion of marine oils to biodiesel was added to the model. Since 2002, there has been growing interest in the production of biodiesel in Canada. The National Research Council has recently completed a lifecycle analysis of biodiesel and that effort produced additional data that is applicable to biodiesel production. A number of new European LCA reports are now available and these have additional data that can be incorporated into the analysis. There have been a number of comments and suggestions made with respect to the original 2002 report so it is appropriate to revisit the input data for these pathways in GHGenius. Additional information has also recently become available on fertilizer production in Canada so that work has also been reviewed and incorporated into the model.

The original work in 2002 included an assessment of ethanol-diesel blends. Those fuels are not included in this work although a review of the emissions from ethanol production and ethanol blends is planned for the near future.
The goal of this work is to:
∑ Expand the biodiesel pathways in the model so that tallow and yellow grease pathways can be analyzed at the same time rather than have them share a pathway where the user must select which to model,
∑ Add the intermediate production of the lipid feedstock to the upstream results on Sheet K,
∑ Regionalize the production of fertilizer in the model,
∑ Review and update the data that is used in the biodiesel production pathways,
∑ Review and discuss the role of the biodiesel co-products in the LCA, and to
∑ Use the model to perform some sensitivity analysis on the inputs in the biodiesel pathways so that a better understanding of biodieselís benefits can be achieved.

GHGenius has been expanded to include five biodiesel pathways and all five are available for each model run. In addition, the upstream emissions are available for the five oils used as biodiesel feedstocks.

Tags: Biodiesel - Canola - Fertilizer - GHGenius 2.6 - Marine Oil - Soybeans - Tallow - Yellow Grease
 Biodiesel and Ethanol Diesel Blends
 Prepared for Natural Resources Canada in September 2002
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This report accomplished the following objectives:
  • Determined the lifecycle energy balance and greenhouse gas emissions for biodiesel manufactured from waste animal fats, soyoil and Canola oil.
  • Determined the impact on greenhouse gas emissions of using biodiesel blends of 2%, 20% and 100% compared to conventional diesel fuel
  • Determined the impact on greenhouse gas emissions of using ethanol diesel blends of 7% and 15% compared to conventional diesel fuel.
  • Confirmed the appropriate treatment of N2O emissions from agricultural residues in the latest version of GHGenius.
  • Estimated the production costs of biodiesel from the various feedstocks studied.
  • Provided an overview of the policy issues raised by the blending of biodiesel or ethanol diesel blends. These include taxation issues, impact on exhaust emissions, regulatory issues with respect to safety and standards, engine warranty issues and distribution and marketing issues.


Tags: Biodiesel - Canola - Ethanol - Fertilizer - GHGenius 2.0 - Soybeans - Tallow - Yellow Grease
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