A-Z Index
- AC: alternating current
- ACBM: Acronym for "asbestos-containing building material"
- AC/DC: alternating current/direct current
- AFUDC: allowance for funds used during construction
- AFV: alternative-fuel vehicle
- AGA: American Gas Association
- AMI:advanced metering infrastructure
- AMR: automated meter reading
- ANSI: American National Standards Institute
- API: American Petroleum Institute
- ARA: Amsterdam-Rotterdam-Antwerp
- ASTM: American Society for Testing and Materials
- b: barrel (42 gallons)
- b/d: barrel(s) per day
- b/sd: barrel(s) per stream day
- Bcf: billion cubic feet
- Bcf/d: billion cubic feet per day
- Bcf/y: billion cubic feet per year
- BkWh: billion kilowatthours
- BLS: Bureau of Labor Statistics; U.S. Department of Labor
- BOE: barrels of oil equivalent (used internationally)
- BTL: biomass to liquids
- Btu: British thermal unit(s)
- BTX:
- BWR: boiling-water reactor
- ¢/gal: cents per gallon
- CAFE: corporate average fuel economy
- CAIR: Clean Air Interstate Rule
- CARB: California Air Resources Board
- CBOB: conventional gasoline blendstock for oxygenate blending (Motor Gasoline Blending Component)
- CDD: cooling degree-days
- CERCLA: Comprehensive Environmental Response, Compensation, and Liability Act
- CF: cubic foot
- CFC: chlorofluorocarbon
- CFL: compact fluorescent lighting
- CFS: cubic feet per second
- CH4: Methane
- CHP: combined heat and power
- CIF: cargo, insurance and freight
- CIF: cost, insurance, freight
- CIV: customs import value
- CMSA: consolidated metropolitan statistical area
- CNG: compressed natural gas
- CO: carbon monoxide
- CO2: carbon dioxide
- CO2e: carbon dioxide equivalent
- CPI: consumer price index
- CWIP: construction work in progress
- DC: direct current
- DOE: Department of Energy
- DRB: demonstrated reserve base
- DSM: demand-side management
- DTW: dealer tank wagon
- DWT: deadweight tons (vessel capacity)
- $/gal: dollars per gallon
- E85: A fuel containing a mixture of 85 percent ethanol and 15 percent gasoline
- E95: A fuel containing a mixture of 95 percent ethanol and 5 percent gasoline
- EAR: estimated additional resources
- EIA: Energy Information Administration
- EIS: Environmental Impact Statement
- EOR: enhanced oil recovery
- EPA: Environmental Protection Agency
- EPACT: Energy Policy Act
- ETBE: ethyl tertiary butyl ether
- EU: European Union
- EWG: exempt wholesale generator
- FAS.: free alongside ship
- FASB: Financial Accounting Standards Board
- FBR: fast breeder reactor
- FERC: Federal Energy Regulatory Commission
- FGD: flue-gas desulfurization
- FME: free market economies
- FOB: free on board
- FPC: Federal Power Commission
- FRS: Financial Reporting System
- GAL: gallon
- GDP: gross domestic product
- GHG: greenhouse gas(es)
- GTL: gas to liquids
- GNP: gross national product
- GTAB: gasoline treated as blendstock
- GVW: gross vehicle weight
- GW: gigawatt
- GWe: gigawatt-electric
- GWh: gigawatthour
- GWP: global warming potential
- H: hundredth
- H: hundred
- HDD: heating degree-days
- HCFC: hydrochlorofluorocarbon
- HFC: hydrofluorocarbon
- Hg: mercury
- HGL: hydrocarbon gas liquid
- HID: high-intensity discharge
- HVAC: heating, ventilation, and air-conditioning
- HTGR: high temperature gas-cooled reactor
- IEA: International Energy Agency
- IOU: investor-owned utility
- IPP: independent power producer
- ISO: independent system operator
- kV: kilovolt
- KVA: kilovolt-ampere
- KW: kilowatt
- KWE: kilowatt-electric
- KWH: kilowatthour
- LB: pound
- LDC: local distribution company
- LDV: light-duty vehicle
- LED: light-emitting diode
- LEVP: Low Emissions Vehicle Program
- LHV: lower heating value
- LIHEAP: Low-Income Home Energy Assistance Program
- LLS: Light Louisiana Sweet
- LNG: liquefied natural gas
- LPG: liquefied petroleum gases
- LRG: liquefied refinery gases
- LWR: light water reactor
- M: thousand
- Mb/d: million barrels per day
- MBOED: million barrels of oil equivalent per day
- Mcf: one thousand cubic feet
- MECS: Manufacturing Energy Consumption Survey
- MM: million (106)
- MMbbl/d: one million (106) barrels of oil per day
- MMBtu: one million (106) British thermal units
- MMcf: one million (106) cubic feet
- MMcf/d: one million (106) cubic feet per day
- MMgal/d: one million (106) gallons per day
- MMmt: one million (106) metric tons
- MMst: one million (106) short tons
- MPG: miles per gallon
- MSA: metropolitan statistical area
- MSHA: Mine Safety and Health Administration
- MSW: municipal solid waste
- mt: metric ton
- MTBE: methyl tertiary butyl ether
- MW: megawatt
- MWe: megawatt electric
- MWh: megawatthour
- N2O: nitrous oxide
- NAAQS: National Ambient Air Quality Standards
- NAICS: North American Industry Classification System
- NARUC: National Association of Regulatory Utility Commissioners
- NERC: North American Electric Reliability Council
- NGL: natural gas liquids
- NGPA: Natural Gas Policy Act of 1978
- NGPL: natural gas plant liquids
- NGV: natural gas vehicle
- NOAA: National Oceanic and Atmospheric Administration
- NOPR: Notice of Proposed Rulemaking
- NOx: nitrogen oxides
- NRECA: National Rural Electric Cooperative Association
- NUG: nonutility generator(nonutility power producer)
- NURE: national uranium resource evaluation
- NYMEX: New York Mercantile Exchange
- O3: ozone
- O&M: operation and maintenance
- OCS: Outer Continental Shelf
- OECD: Organization for Economic Cooperation and Development
- OEM: original equipment manufacturers
- OPEC: Organization of the Petroleum Exporting Countries
- OPRG: oxygenated fuels program reformulated gasoline
- OTEC: ocean thermal energy conversion
- PADD: Petroleum Administration for Defense Districts
- PBR: pebble-bed reactor
- PBR: performance-based rates
- PCB: polychlorinated biphenyl
- PFC: perfluorocarbons
- PGA: purchased gas adjustment
- PPI: producer price index
- ppm: parts per million
- PTC: production tax credit
- PUD: Public Utility District
- PUHCA: Public Utility Holding Company Act of 1935
- PURPA: Public Utility Regulatory Policies Act of 1978
- PV: photovoltaic
- PVC: photovoltaic cell
- PVC: polyvinyl chloride
- PWR: pressurized-water reactor
- rpm: revolutions per minute
- RFS:Renewable Fuel Standard
- RPS: renewable portfolio standard
- RTO: regional transmission organization
- QF: qualifying facility
- QUAD: quadrillion Btu: 1015 Btu
- RAC: refiners' acquisition cost
- RAR: reasonable assured resources
- RBOB: reformulated gasoline blendstock for oxygenate blending
- RDF: refuse-derived fuel
- REA: Rural Electrification Administration
- RECS: Residential Energy Consumption Survey
- RFG: reformulated gasoline
- RSE: relative standard error
- RVP: Reid vapor pressure
- SEER: seasonal energy efficiency ratio
- SF6: sulfur hexafluoride
- SI: International System of Units (Système international d'unités)
- SIC: Standard Industrial Classification
- SNG: synthetic natural gas
- SO2: sulfur dioxide
- SOx: sulfur oxides
- SPP: small power producer
- SPR: Strategic Petroleum Reserve
- SR: speculative resources - coal
- SR: speculative resources - uranium
- st: short ton
- SWU: separative work unit
- T: trillion 1012
- TAME: tertiary amyl methyl ether
- TBA: tertiary butyl alcohol
- Tcf: trillion cubic feet
- TH: thousandth
- TVA: Tennessee Valley Authority
- TWH: terawatthour
- U3O8: uranium oxide
- UF6: uranium hexaflouride
- ULCC: ultra large crude carrier
- UMTRA: Uranium Mill Tailings Radiation Control Act of 1978
- USBR: United States Bureau of Reclamation
- USACE or USCE: U.S. Army Corps of Engineers
- USD: U.S. dollar
- V: Volt
- VIN: vehicle identification number
- VAWT: vertical-axis wind turbine
- VLCC: very large crude carrier
- VMT: vehicle miles traveled
- VOC: volatile organic compound
- W: Watt
- WI: withheld to avoid disclosure of individual company data.
- WACOG: weighted average cost of gas
- Wh: watthour
- WTI: West Texas Intermediate
Glossary
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A-Z Topics helps you find what you are looking for. It is an alphabetical listing of select content on the EIA web site, including:
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Think of it like the index of a book. It is structured so that synonyms, acronyms, and cross-referencing provide multiple ways for you to access information.
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The EIA Glossary includes definitions of technical terms. Please use the glossary to find the meanings of words.
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The listing includes common and technical terms to meet the needs of the public as well as energy specialists. A-Z Topics lists topics with relevance to a broad cross-section of our Web site's audiences. The items are representative of popular topics or publications, frequent inquiries, or have critical importance to EIA's mission. The index will continue to evolve as terms are added and refined.
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