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Here you can find the last three major model updates to GHGenius. To access you must be registered and logged into the forums. The files are zipped, any OS newer than Windows XP should be able to unzip natively; otherwise you will need a utility such as 7-zip or WinZip to unzip the files. The model requires Lotus 123 until version 2.6, or Excel after version 3.0. The Excel versions will always require medium or low security selected to run macros.
The tags under each model description will take you to reports related to that keyword.
This version of the model incorporates two new pathways, wood to gasoline and wood to gasoline, as well as the expansion of the natural gas production system to include unconventional sources of natural gas, such as coal bed methane and shale gas.
Prepared June 2010
Tags: Coalbed Methane DME GHGenius 3.18 Gasoline Natural Gas Shale Gas Wood
Prepared June 2010
Tags: Coalbed Methane DME GHGenius 3.18 Gasoline Natural Gas Shale Gas Wood
This work introduces and develops a new functional unit to GHGenius so that the tool can be applied to freight transportation systems that are employed to move goods. This function unit is a tonne-km, being the movement of one tonne of goods one kilometre. Previously only a unit of energy or the distance travelled were used as functional units in GHGenius. This new measure provides a reference for very different systems that are commonly used to move freight.
This work includes a new output sheet for the results. The emissions are presented for all of the GHG and CAC emissions in the model.
The modes of freight that have been included are truck, rail, marine and some preliminary information for airfreight. Multiple classes for marine transportation are presented, as there is a difference in emissions according to vessel type and size.
The fuels that have been included are marine/rail fuel oil, ultra low sulphur diesel fuel, gasoline, biodiesel, hydrotreated renewable diesel, and CNG and LNG. Not all fuels are used for all modes of transportation. It has been necessary to split the existing combined CNG/LNG column on the Upstream Results sheet into two columns so that LNG data is always available. The capacity to model these additional fuels provides considerable additional information for the user.
Prepared February 2010
Tags: Freight GHGenius 3.17
This work includes a new output sheet for the results. The emissions are presented for all of the GHG and CAC emissions in the model.
The modes of freight that have been included are truck, rail, marine and some preliminary information for airfreight. Multiple classes for marine transportation are presented, as there is a difference in emissions according to vessel type and size.
The fuels that have been included are marine/rail fuel oil, ultra low sulphur diesel fuel, gasoline, biodiesel, hydrotreated renewable diesel, and CNG and LNG. Not all fuels are used for all modes of transportation. It has been necessary to split the existing combined CNG/LNG column on the Upstream Results sheet into two columns so that LNG data is always available. The capacity to model these additional fuels provides considerable additional information for the user.
Prepared February 2010
Tags: Freight GHGenius 3.17
This new version of the model includes the addition of Algae and jatropha as feedstocks for biodiesel production. In addition all biodiesel feedstocks can also now be hydrotreated to produce a HRD product. The reference to SuperCetane in the model has now been replaced by the more generic term HRD.
This version of the model also includes 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.
A change in two of the macros has been made. The Run Program button on the Input Sheet no longer runs the EV macro. There is now a separate button for that. The EV macro can also be accessed through the GHGenius drop down menu on the tool bar.
Prepared September 2009
Tags: Algae Biodiesel Biodiesel C rude Oil Corn Electricity Ethanol Fertilizer GHGenius 3.16 HRD Jatropha Natural Gas Soybeans SupeCetane
This version of the model also includes 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.
A change in two of the macros has been made. The Run Program button on the Input Sheet no longer runs the EV macro. There is now a separate button for that. The EV macro can also be accessed through the GHGenius drop down menu on the tool bar.
Prepared September 2009
Tags: Algae Biodiesel Biodiesel C rude Oil Corn Electricity Ethanol Fertilizer GHGenius 3.16 HRD Jatropha Natural Gas Soybeans SupeCetane