| Executive Summary |
vii |
|
1 |
Introduction |
1 |
| |
Purpose of Report |
1 |
| Scope of Report |
1 |
| Data Sources and Quality |
2 |
| Contents of Report |
3 |
|
2 |
Alternative Fueled Vehicle Inventory |
5 |
| |
Background |
5 |
| |
Types of Alternative Transportation Fuels and
Alternative Fueled Vehicles |
7 |
| |
Estimated Vehicle Stocks in 1992, 1993,
and 1995 |
7 |
| Estimation Methods and Data Sources |
7 |
| Alternative Fueled Vehicles by Fuel
Type, Ownership, Weight Class, 1992 |
7 |
| Regional Distribution of AFV's for 1993
and 1995 |
10 |
| Trends in Alternative Fueled Vehicle
Inventories, 1992 to 1995 |
11 |
| |
Liquefied Petroleum Gas (LPG) Vehicles |
11 |
| Compressed Natural Gas (LPG) Vehicles |
11 |
| Liquified Natural Gas (LNG) Vehicles |
12 |
| Methanol (M85) Vehicles |
13 |
| Methanol Neat (M100) Vehicles |
13 |
| Ethanol (E85) Vehicles |
13 |
| Ethanol (E95) Vehicles |
13 |
| Electric Vehicles |
14 |
|
3 |
Alternative and Replacement Fuel
Consumption |
17 |
| |
Background |
17 |
| Estimated Vehicle Fuel Consumption in
1992, 1993, and 1995 |
17 |
| |
Estimation Methods |
17 |
| Alternative Fuel Consumption by Fuel
Type, Vehicle Ownership, and Weight Class, 1992 |
17 |
| |
Fuel Consumption by Weight Class |
20 |
| Federal Alternative Fuel Consumption |
20 |
| State and Local Government Alternative
Fuel Consumption |
20 |
| Privately Owned Alternative Fueled
Vehicle Consumption |
21 |
| Oxygenate Consumption in 1992 |
21 |
| Alternative Fuel Consumption Estimates
by Fuel Type, and by Vehicle Ownership and Weight Class, 1993 and
1995 |
22 |
| |
Fuel Consumption by Weight Class |
22 |
| Federal Fuel Consumption |
22 |
| State and Local Government Alternative
Fuel Consumption |
24 |
| Privately Owned Alternative Fueled
Vehicle Consumption |
24 |
| Oxygenate Consumption in 1993 and 1995 |
24 |
| Regional Distribution of Alternative and
Oxygenate Fuel Consumption for 1993 and 1995 |
25 |
| |
Alternative Fuels |
25 |
| |
Oxygenates |
26 |
|
4 |
Greenhouse Gas Emissions |
29 |
| |
Background |
29 |
| Emission Estimates |
29 |
| Direction of Future Greenhouse Gas
Emissions Estimates |
33 |
| Appendices |
|
A |
U.S. Census Region Map |
37 |
|
B |
Estimation Methods and Data Quality |
39 |
| C |
The Greenhouse Effect |
45 |
| D |
Fuel Cycle and Energy Efficiency
Considerations |
49 |
| E |
Biomass Land-use Impacts on Greenhouse
Gases |
55 |
| F |
List of Converters, Original Equipment
Manufacturers, and Training Centers |
57 |
|
Glossary |
83 |
| LIST OF TABLES |
| Table 1 |
Estimated Alternative Fueled Vehicles in
Use by Fuel, 1992, 1993, and 1995 |
8 |
| Table 2 |
Estimated Methods and Sources for
Privately Owned and State and Local Government Vehicle Counts |
9 |
| Table 3 |
Estimated Alternative Fueled Vehicles in
Use by Fuel, Ownership, and Weight Class, 1992 |
10 |
| Table 4 |
Estimated Alternative Fueled Vehicles in
Use by Fuel, Ownership, and Weight Class, 1993 |
11 |
| Table 5 |
Projected Alternative Fueled Vehicles in
Use by Fuel, Ownership, and Weight Class, 1995 |
12 |
| Table 6 |
Estimated Privately Owned and State and
Local Government Alternative Fueled Vehicles in Use by Census
Region, 1993 |
14 |
| Table 7 |
Projected Privately Owned and State and
Local Government Alternative Fueled Vehicles in Use by Census
Region, 1993 |
14 |
| Table 8 |
Consumption of Vehicle Fuels, 1992,
1993, and 1995 |
18 |
| Table 9 |
Consumption of Vehicle Fuels, 1992 |
19 |
| Table 10 |
Consumption of Alternative Fuels by
Vehicle Weight Classification, 1992 |
20 |
| Table 11 |
Consumption of Alternative Fuels by
Vehicle Ownership Class, 1992 |
21 |
| Table 12 |
Consumption of Alternative Fuels by
Vehicle Ownership Class, 1992 |
21 |
| Table 13 |
Consumption of Alternative Fuels by
Vehicle Weight Classification, 1993 and 1995 |
24 |
| Table 14 |
Consumption of Alternative Fuels by
Vehicle Ownership Class, 1993 and 1995 |
25 |
| Table 15 |
Non-Federal Consumption of Liquefied
Petroleum Gases and Natural Gas by Region, 1993 and 1995 |
27 |
| Table 16 |
Consumption of Alcohol Fuels by Region,
1993 and 1995 |
27 |
| Table 17 |
Carbon Dioxide (CO2)
Emissions per Vehicles Mile |
30 |
| Table 18 |
Methane (CH4) Emissions per
Vehicle Mile |
31 |
| Table 19 |
Nitrous Oxide (N2O) Emissions
per Vehicle Mile |
32 |
| Table 20 |
Nitrogen Dioxide (NO2)
Emissions per Vehicle Mile |
33 |
| Table 21 |
Carbon Monoxide (CO) Emissions per
Vehicle Mile |
34 |
| Table 22 |
Total Fuel-Cycle Emissions from Gasoline
and from Alternative and Replacement Fuels |
35 |
| Table B1 |
Alternative Fueled Vehicles Distribution
by Vehicle, Fuel, Ownership, and Classification, 1995 |
41 |
| Table B2 |
Typical Conventional Vehicle
Characteristics |
42 |
| Table B3 |
Original and Adjusted Lower Heating
Values of Conventional and Replacement Fuels |
43 |
| Table C1 |
Direct Global Warming Potentials |
48 |
| Table D1 |
Energy Efficiency for Stages in
Providing Transportation Fuels to Consumers |
52 |
| Table D2 |
Energy Consumption for Stages in
Providing Transportation Fuels to Consumers |
53 |
| Table F1 |
Companies Performing Conversions by
State |
59 |
| Table F2 |
Original Equipment Manufacturers by
State |
77 |
| Table F3 |
Training Centers by State |
80 |
|
LIST OF FIGURES |
| Figure 1 |
Alternative Fuel Vehicle Configurations
and Fuel Types |
6 |
| Figure D1 |
Entire Fuel Cycle for Transportation
Fuels |
55 |