Section 1
167kb |
Notation |
xv |
Foreword |
xix |
Acknowledgments |
xx |
Abstract |
1 |
1 |
Introduction |
3 |
2 |
Review of Previous Fuel-Cycle Studies |
5 |
|
2.1 |
Delucchi 1991, 1993 |
5 |
2.2 |
National Renewable Energy Laboratory et al.
1991, 1992 |
6 |
2.3 |
Bentley et al. 1992 |
7 |
2.4 |
Brogan and Venkateswaran 1992 |
8 |
2.5 |
Ecotraffice, AB 1992 |
9 |
2.6 |
Wang and Santini 1993 |
10 |
2.7 |
Darrow 1994a, 1994b |
10 |
2.8 |
Acurex 1996 |
12 |
2.9 |
Delucchi 1997 |
13 |
2.10 |
Argonne National Laboratory et al. 1998 |
13 |
2.11 |
Sheehan et al. 1998 |
14 |
2.12 |
Summary |
15 |
Section 2
404kb |
3 |
Modeling Approach |
16 |
|
3.1 |
Fuel Cycles and Their Stages |
16 |
3.2 |
Vehicle Types |
18 |
3.3 |
Calculation of Energy Use and Emissions of
Upstream Stages |
19 |
|
3.3.1 |
Calculation of Energy Use and Emissions of Upstream Stages for a Fuel
Cycle |
19 |
3.3.2 |
Calculation of Emissions for an Upstream Stage |
21 |
3.3.3 |
Consideration of Energy Use and Emissions of Upstream Stages for a
Fuel Cycle |
26 |
3.3.4 |
Aggregation of Energy Use and Emissions of Individual Upstream Stages
for a Fuel Cycle |
27 |
3.3.5 |
Energy Use and Emissions of Vehicle Operations |
28 |
3.3.6 |
Total Fuel-Cycle Energy Use and Emissions for a Combination of Fuel
and Vehicle Type |
30 |
3.3.7 |
Total and Urban Emissions for Five Criteria Pollutants |
30 |
3.3.8 |
Summary: Results of Fuel-Cycle Energy Use and Emissions Calculated
with GREET |
32 |
4 |
Parametric Assumptions and Their Data Sources |
34 |
|
4.1 |
Petroleum-Based Fuel Cycles |
34 |
|
4.1.1 |
Petroleum Recovery |
36 |
4.1.2 |
Crude Transportation and Storage |
39 |
4.1.3 |
Crude Refining |
40 |
4.1.4 |
Production of Oxygenates |
41 |
4.1.5 |
Transportation, Storage, and Distribution of Petroleum Products |
44 |
4.2 |
Natural-Gas-Based Fuel Cycles |
44 |
|
4.2.1 |
Brief Description of the Natural Gas Industry |
44 |
Section 3
497kb |
4.2.2 |
System Descriptions and Energy Efficiencies of Natural Gas-Based Fuel
Cycles |
46 |
4.2.3 |
Summary of Energy Efficiencies of Natural Gas-Based Cycles |
55 |
4.2.4 |
CH4 Emissions during Natural Gas Production and
Transportation |
56 |
4.2.5 |
Noncombustion Emissions during Natural Gas Processing and Production
of Natural Gas-Based Fuels |
60 |
4.2.6 |
Potential Steam Co-Generation in Methanol, H2, DME, and FTD
Plants |
62 |
4.3 |
Ethanol Production Cycles |
63 |
|
4.3.1 |
Fuel and Chemicals Used for Corn and Biomass Production |
63 |
4.3.2 |
Energy Use and Emissions of Transporting Corn and Biomass from Farms
to Ethanol Plants |
65 |
4.3.3 |
Energy Use of Manufacturing Fertilizers and Pesticides |
66 |
4.3.4 |
Energy Use of Transporting Fertilizers and Pesticides from
Manufacturing Plants to Farms |
68 |
4.3.5 |
Ethanol Production |
69 |
4.3.6 |
N2O and NOX Emissions from Nitrification and
Denitrification of Nitrogen Fertilizer |
76 |
4.3.7 |
CO2 Emissions or Sequestration from Potential Land Use
Changes for Ethanol Production |
78 |
4.3.8 |
Ethanol Transportation, Storage, and Distribution |
80 |
4.4 |
Biodiesel Production |
80 |
|
4.4.1 |
Soybean Farming |
80 |
Section 4
276kb |
4.4.2 |
Soybean Oil Extraction |
82 |
4.4.3 |
Soy Oil Transesterification |
83 |
4.5 |
Coal to Electricity |
85 |
|
4.5.1 |
Energy Efficiences |
86 |
4.5.2 |
Noncombustion Emissions |
86 |
4.6 |
Uranium to Electricity |
86 |
4.7 |
Landfill Gases to Methanol |
87 |
|
4.7.1 |
Energy Efficiencies |
87 |
4.7.2 |
Emission Credits for Methanol Production |
87 |
4.8 |
Electricity Generation |
87 |
|
4.8.1 |
Combustion Technologies |
88 |
4.8.2 |
Power Plant Conversion Efficiencies |
88 |
4.8.3 |
Natural Gas-Fired Combined-Cycle Gas Turbines |
90 |
4.8.4 |
Electric Generation Mixes |
91 |
4.9 |
Vehicle Operations |
94 |
|
4.9.1 |
Alternative Fuels and Vehicle Technologies Included in GREET |
94 |
4.9.2 |
Gasoline Vehicles Fueled with Reformulated Gasoline |
97 |
4.9.3 |
Compressed Natural Gas Vehicles |
100 |
4.9.4 |
Methanol Vehicles |
103 |
4.9.5 |
Ethanol Vehicles |
104 |
4.9.6 |
Liquefied Petroleum Gas Vehicles |
105 |
4.9.7 |
Other Vehicle Types |
105 |
4.9.8 |
Summary |
108 |
Section 5
274kb |
5 |
Model Layout |
115 |
6 |
Fuel-Cycle Energy Use and Emissions Results |
123 |
|
6.1 |
Near- and long-term Alternative Fuels and
Vehicle Technologies |
123 |
6.2 |
Mobile 5b and Part 5 Runs |
127 |
6.3 |
Contribution of Each Stage to Fuel-Cycle
Energy Use and Emissions |
132 |
|
6.3.1 |
Near-Term Technologies |
132 |
6.3.2 |
Long-Term Technologies |
138 |
Section 6
625kb |
6.4 |
Per-Mile Energy Use and Emissions Results |
146 |
|
6.4.1 |
Near-Term Technologies |
147 |
|
6.4.2 |
Long-Term Technologies
|
156 |
Section 8
238kb |
6.5 |
Summary |
202 |
7 |
References |
204 |