| AMD | acid mine drainage |
| AMMTO | Advanced Materials and Manufacturing Technologies Office |
| ARPA-E | Advanced Research Projects Agency–Energy |
| BER | Biological and Environmental Research |
| BES | Basic Energy Sciences |
| BETO | Bioenergy Technologies Office |
| BIPOC | Black, Indigenous, and other people of color |
| BisA-PC | bisphenol-A polycarbonate |
| BOF slag | carbonated iron-making (basic oxygen furnace) slag |
| CBA | community benefits agreement |
| CBB | coal-based bricks and block |
| CBP | community benefits plan |
| CCC | carbon-carbon composite |
| CCR | coal combustion residual |
| CCS | carbon capture and storage |
| CCUS | carbon capture, utilization, and storage |
| CDR | carbon dioxide removal |
| CF | carbon fiber |
| CI | carbon intensity |
| CIFIA | Carbon Dioxide Transportation Infrastructure Finance and Innovation program |
| CM | critical mineral |
| CMM | critical minerals and materials |
| CMU | concrete masonry unit |
| CNF | carbon nanofiber |
| CNFM | carbon nanofilm |
| CNL | carbon nanolayer |
| CNMO | carbon nanomodifier |
| CNR | carbon nanorod |
| CNT | carbon nanotube |
| CNW | carbon nanowire |
| CO2RR | CO2 reduction reaction |
| COBRA | Co-Benefits Risk Assessment Health Impacts Screening and Mapping Tool (EPA) |
| CPC | coal plastic composite |
| CQD | carbon quantum dot |
| CTC | carbon tubular cluster |
| CTEC | carbon dioxide to elemental carbon |
| CVD | chemical vapor deposition |
| DAC | direct air capture |
| DEHPA | bis-2-ethylhexyl phosphoric acid |
| DMC | dimethyl carbonate |
| DME | dimethyl ether |
| DMF | dimethylformamide |
| DOC | direct ocean capture |
| DoD | Department of Defense |
| DOE | Department of Energy |
| DOE-LPO | DOE Loan Programs Office |
| DOT | Department of Transportation |
| EERE | Office of Energy Efficiency and Renewable Energy |
| EIA | environmental impact assessment |
| EJ | environmental justice |
| e-LCA | environmental life cycle assessment |
| EOR | enhanced oil recovery |
| EPA | U.S. Environmental Protection Agency |
| EPD | environmental product declaration |
| ERA | environmental risk assessment |
| EV | electric vehicle |
| FDM | fused deposition modeling |
| FECM | Office of Fossil Energy and Carbon Management |
| FGD | flue gas desulfurization |
| FOA | funding opportunity announcement |
| FOAK | first-of-a-kind |
| FPIC | free, prior, and informed consent |
| GAIN | Gateway for Accelerated Innovation in Nuclear program |
| GHG | greenhouse gas |
| GPI | Great Plains Institute |
| GQD | graphene quantum dot |
| HCS | hollow carbon sphere |
| HHS | hydrophobic-hydrophilic separation |
| IEA | International Energy Agency |
| IEDO | Industrial Efficiency and Decarbonization Office |
| IFC | International Fire Code |
| IIJA | Infrastructure Investment and Jobs Act |
| IL | ionic liquid |
| IRA | Inflation Reduction Act |
| LCA | life cycle assessment |
| LCC | life cycle costing |
| LIB | lithium-ion battery |
| MEA | monoethanolamide |
| MILP | mixed integer linear programming |
| MMT | million metric tons |
| MRV | monitoring, reporting, and verification |
| MTPA | million tonnes per annum |
| MWNT | multi-walled nanotube |
| NBIC | National Board Inspection Code |
| NETL | National Energy Technology Laboratory |
| NFPA | National Fire Protection Association |
| NGP | nanographite platelet |
| NIOSH | National Institute for Occupational Safety and Health |
| NMR | nuclear magnetic resonance |
| NOAA | National Oceanic and Atmospheric Administration |
| NOAK | nth-of-a-kind |
| NPC | National Petroleum Council |
| NSF | National Science Foundation |
| OPC | ordinary Portland cement |
| OSDBU | Office of Small and Disadvantaged Business Utilization |
| OSHA | Occupational Safety and Health Administration |
| PC | photocatalytic |
| PCR | preceramic polymer resin |
| PEC | photoelectrochemical |
| PHMSA | Pipeline and Hazardous Materials Safety Administration |
| PM | particulate matter |
| PV | photovoltaic |
| PVC | polyvinyl chloride |
| PV-EC | photovoltaic and electrolyzer configuration |
| R&D | research and development |
| RD&D | research, development, and demonstration |
| REE | rare earth element |
| REO | rare earth oxide |
| RFI | request for information |
| RWGS | reverse water gas shift |
| SA | sensitivity analysis |
| SAF | sustainable aviation fuel |
| SBIR | Small Business Innovation Research program |
| SC | Office of Science |
| SCM | supplementary cementitious material |
| s-LCA | social life cycle assessment |
| SOEC | solid oxide electrolyzer cell |
| STTR | Small Business Technology Transfer program |
| SWNT | single-walled nanotube |
| TEA | techno-economic assessment |
| TRL | technology readiness level |
| UPGrants | Utilization Procurement Grants program |
| USGS | U.S. Geological Survey |
| UV | ultraviolet |
| WGS | water gas shift |
| WLP | Wood-Ljungdahl pathway |
| WRI | World Resources Institute |
| XPS | x-ray photoelectron spectroscopy |