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OCR for page 141
D Acronyms and Abbreviations 21st CTP 21st Century Truck Partnership AES Automatic Engine Shutdown ALHT Automated Long-Haul Truck APU Auxiliary Power Unit ATA American Trucking Associations ATIS Automatic Tire Inflation System ATRI American Transportation Research Institute BEES Board on Energy and Environmental Systems BEV Battery Electric Vehicle BTL Biomass-To-Liquids BTU British Thermal Unit; ‘mmBTU’ denotes one million BTUs CAFE Corporate Average Fuel Economy CalHEAT California Hybrid, Efficient and Advanced Truck Research Center CARB California Air Resources Board CFD Computational Fluid Dynamics CH4 Methane CI Compression Ignition CNG Compressed Natural Gas CO Carbon Monoxide CO2 Carbon Dioxide DEF Diesel Emission Fluid DME Dimethyl Ether DOE U.S. Department of Energy DOT U.S. Department of Transportation DPF Diesel Particulate Filter EGR Exhaust Gas Recirculation PREPUBLICATION COPY—SUBJECT TO FURTHER EDITORIAL CORRECTION D-1

OCR for page 141
EIA Energy Information Administration EISA Energy Independence and Security Act EPA U.S. Environmental Protection Agency EPAct Energy Policy Act eTRU electronic Trailer Refrigeration Unit FC Fuel Consumption FCV Fuel Cell Vehicle FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FMEP Friction Mean Effective Pressure FT Fischer-Tropsch fuel FTA Federal Transit Administration FTP Federal Test Procedure GCVW Gross Combination Vehicle Weight GCVWR Gross Combination Vehicle Weigh Rating GDI Gasoline Direct Injection GEM Greenhouse gas Emissions Model GHG GreenHouse Gas GTI Gasoline Technology Institute GTL Gas-To-Liquid GVW Gross Vehicle Weight GVWR Gross Vehicle Weight Rating HCCI Homogeneous-Charge Compression Ignition HEDGE High Efficiency Dilute Gasoline Engine HEV Hybrid Electric Vehicle HP High Pressure HVAC Heating, Ventilation, and Air Conditioning ICE Internal Combustion Engine ISO International Organization for Standardization LCV Longer Combination Vehicle LDV Light-Duty Vehicle LED Light-Emitting Diode LNG Liquefied Natural Gas LRR Low Rolling Resistance PREPUBLICATION COPY—SUBJECT TO FURTHER EDITORIAL CORRECTION D-2

OCR for page 141
LSFC Load-Specific Fuel Consumption LTC Low-Temperature Combustion MHDV Medium- and Heavy-Duty Vehicles MTBE Methyl Tertiary Butyl Ether MY Model Year N2O Nitrous Oxides NACFE North American Council for Freight Efficiency NG Natural Gas NHTSA National Highway Traffic Safety Administration NOX Oxides of Nitrogen NPC National Petroleum Council NRC National Research Council NREL National Renewable Energy Laboratory OEM Original Equipment Manufacturer ORNL Oak Ridge National Laboratory PCCI Premixed Charge Compression Ignition PCP Peak Cylinder Pressure PFI Port Fuel Injection PHEV Plug-in Hybrid Electric Vehicle PM Particulate Matter PNNL Pacific Northwest National Laboratory PTO Power Take-Off R&D Research and Development RCCI Reactivity Controlled Compression Ignition RFS Renewable Fuels Standard RFS2 Renewable Fuel Standard Program (2) RIA Regulatory Impact Analysis RMA Rubber Manufacturers Association SAE Society of Automotive Engineers SCR Selective Catalytic Reduction SET Supplemental Emission Test SI Spark-Ignited SwRI Southwest Research Institute TCF Trillion Cubic Feet PREPUBLICATION COPY—SUBJECT TO FURTHER EDITORIAL CORRECTION D-3

OCR for page 141
TPMS Tire Pressure Monitoring (and maintenance) System TPS Tire Pressure Systems TWC Three-Way Catalyst UTQGS Uniform Tire Quality Grading System VIUS Vehicle Inventory and Use Survey VMT Vehicle Miles Traveled WBST Wide Base Single Tire ZEV Zero Emission Vehicle PREPUBLICATION COPY—SUBJECT TO FURTHER EDITORIAL CORRECTION D-4