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 Palm TagsBiodiesel
Fischer Tropsch
GHGenius 3.4
Sugar Cane
Yellow Grease
 Biofuel Sensitivity Analysis
 Prepared August 2006
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The purpose of this work was to identify key factors that influence the life-cycle greenhouse gas (GHG) emissions of current ethanol and biodiesel production pathways. This information can then be used by policy makers, fuel producers, distributors, retailers and consumers to assist them in making decisions that positively impact the lifecycle GHG performance of the renewable fuels sector.

For the transportation sector there are generally three ways that GHG emissions can be reduced; improve energy efficiency at all stages of the life cycle, use lower carbon intensity fuel sources, or change transportation modes. Combinations of the three approaches are of course also possible.

Renewable fuel producers have some control over the first two categories but they will be looking to maximize the return on investment when they design and build biofuel facilities and not necessarily minimizing GHG emissions. This may lead to the facilities being energy efficient but the types of energy that are used in the facilities may not be optimized.

For this work we are interested in, among other possibilities, the emissions impact that could arise from different farming practices. These practices could result in soil carbon changes and perhaps in changes in above ground biomass. The default values for modelling have therefore been set so that in the base case there is no change in soil carbon, no change in above ground biomass arising from increased crop yields, and no biomass growth resulting from nitrogen run-off lost offsite.

Tags: Biodiesel - Canola - Corn - Ethanol - Lignocellulosic - Palm - Soybeans - Sugar Cane - SuperCetane - Tallow - Wheat - Yellow Grease
 FTD From Coal and Palm Oil Biodiesel Report
 Prepared May 2006
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Due to high oil prices and the availability of stranded gas there is increased worldwide interest in FT distillate fuels. In regions of the world, such as North America, where gas prices are higher but there are substantial reserves of coal, high oil prices and interest in FT distillate is causing an interest in coal to FT distillate processes such as is practiced in South Africa. The coal to FT distillate pathway has been added to the model. It has been added to all of the results sheets. As part of this work the FT fuels for the light duty diesel applications have been added to GHGenius as well.

Palm oil is the lowest cost vegetable oil feedstock produced in the world today. It is increasingly being considered as a feedstock for biodiesel production, not only in the regions of the world where it is produced but also in Europe and North America. The environmental benefits of palm oil are also somewhat controversial with claims regarding cultivation practices being both pro and con palm oil as a sustainable feedstock source.

The production of palm oil and palm oil biodiesel has been added to the model. The biodiesel can be used as a neat fuel and in blends in heavy-duty vehicles and in blends in light duty vehicles. All of the pathways have been added to all of the results sheets in the model including the summary sheets and the cost sheets. Palm oil biodiesel can now be compared to biodiesel produced from other oil sources within the same model.

Tags: Biodiesel - Coal - Fischer Tropsch - GHGenius 3.4 - Palm
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