| AASHTO | American Association of Highway and Transportation Officials |
| APU | Auxiliary Power Unit |
| ATA | American Trucking Associations |
| ATRI | American Transportation Research Institute |
| CMV | Commercial Motor Vehicle |
| CNG | Compressed Natural Gas |
| C-TIP | Cross-town Improvement Project |
| DEQ | Department of Environmental Quality |
| DERA | Diesel Emissions Reduction Act |
| DGE | Diesel Gallon Equivalent |
| DOE | Department of Energy |
| DOT | Department of Transportation |
| DSRC | Dedicated Short Range Communication |
| DTL | Dedicated Truck Lane |
| EPA | Environmental Protection Agency |
| EGR | Exhaust gas recirculation |
| EVMS | Electronic Vehicle Management System |
| FHWA | Federal Highway Administration |
| FMCSA | Federal Motor Carrier Safety Administration |
| GHG | Greenhouse Gas |
| GVW | Gross Vehicle Weight |
| HPV | Higher Productivity Vehicle |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| LCV | Longer Combination Vehicle |
| LNG | Liquefied Natural Gas |
| LTL | Less than Truckload |
| MPH | Mile per Hour |
| NAFTA | North American Free Trade Agreement |
| NHS | National Highway System |
| NHTSA | National Highway Traffic Safety Administration |
| NOx | Nitrogen Oxides |
| NPRM | Notice of Proposed Rulemaking |
| PM | Particulate Matter |
| R&D | Research and Development |
| RFID | Radio Frequency Identification |
| ROI | Return on Investment |
| SCR | Selective Catalytic Reduction |
| TPMS | Tire Pressure Monitoring System |
| TRB | Transportation Research Board |
| TTI | Texas Transportation Institute |
| VOC | Volatile Organic Compound |
| VMT | Vehicle Miles Traveled |
