AFV alternative fuel vehicle APU auxiliary power unit B20 blend containing 6% to 20% biodiesel BIM Behavioral Impact Model CEJST Climate and Environmental Justice Screening Tool CNG compressed natural gas CO 2 e carbon dioxide-equivalent DAC disadvantaged community DOE U.S. Department of Energy E85 high-level ethanol blend EEJUC energy and environmental justice underserved community EUI energy use impact EV electric vehicle GGE gasoline gallon equivalent GHG greenhouse gas GREET model Greenhouse gases, Regulated Emissions, and Energy use in Technologies model HDV heavy-duty vehicle HEV hybrid electric vehicle IR idle reduction LDV light-duty vehicle LNG liquefied natural gas MGGE million gasoline gallon equivalents NCFP National Clean Fleets Partnership NEVI National Electric Vehicle Infrastructure NREL National Renewable Energy Laboratory RNG可再生天然气VMT车辆英里旅行VTO车辆技术办公室