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Greet Model Expansion for Well-to-Wheels Analysis of Heavy-Duty Vehicles
| 题名： | Greet Model Expansion for Well-to-Wheels Analysis of Heavy-Duty Vehicles |
| 作者： | Cai, H.; Burnham, A.; Wang, M.; Hang, W.; Vyas, A. |
| 关键词： | GREET model##Well-to-Wheels Analysis##Heavy-Duty Vehicles##Pollutant emissions##Fuel consumption model##Greenhouse gas (GHG)##Freight trucks## |
| 摘要： | Heavy-duty vehicles (HDVs) account for a significant portion of the U.S. transportation sector’s fuel consumption, greenhouse gas (GHG) emissions, and air pollutant emissions. In our most recent efforts, we expanded the Greenhouse gases, Regulated Emissions, and Energy use in Transportation (GREETTM) model to include life-cycle analysis of HDVs. In particular, the GREET expansion includes the fuel consumption, GHG emissions, and air pollutant emissions of a variety of conventional (i.e., diesel and/or gasoline) HDV types, including Class 8b combination long-haul freight trucks, Class 8b combination short-haul freight trucks, Class 8b dump trucks, Class 8a refuse trucks, Class 8a transit buses, Class 8a intercity buses, Class 6 school buses, Class 6 single-unit delivery trucks, Class 4 single-unit delivery trucks, and Class 2b heavy-duty pickup trucks and vans. These vehicle types were selected to represent the diversity in the U.S. HDV market, and specific weight classes and body types were chosen on the basis of their fuel consumption using the 2002 Vehicle Inventory and Use Survey (VIUS) database. VIUS was also used to estimate the fuel consumption and payload carried for most of the HDV types. In addition, fuel economy projections from the U.S. Energy Information Administration, transit databases, and the literature were examined. The U.S. Environmental Protection Agency’s latest Motor Vehicle Emission Simulator was employed to generate tailpipe air pollutant emissions of diesel and gasoline HDV types. |
| 总页数： | 155 |
| 报告类型： | 科技报告 |
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