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Duesenberg
Duesenberg was an American luxury automobile built in Indianapolis from 1921 to 1937 by the Duesenberg brothers, whose Model J was advertised as the finest car in the United States.
Duesenberg Model J
The Duesenberg Model J, or Duesenberg J, is an American ultra-luxury car built in Indianapolis from 1928 to 1937, billed as the world's finest motor car.
Duff's device
Duff's device is a C programming construction, devised by Tom Duff at Lucasfilm in 1983, that implements loop unrolling by interleaving a switch statement with a do-while loop.
Duffel bag
A duffel bag, also called a seabag or kit bag, is a large cylindrical soft bag named for duffel cloth from Duffel, Belgium, long used by the military.
Duga radar
Duga, also called Russian Woodpecker, was a Soviet over-the-horizon radar near Chernobyl that detected missile launches, its tapping signal disrupting shortwave radio worldwide from 1976.
Dugald Clerk
Dugald Clerk (1854–1932) was a Scottish engineer who invented the two-stroke internal-combustion engine known as the Clerk cycle and served the British Admiralty in the First World War.
Dugout canoe
A dugout canoe is a boat made by hollowing out a single tree trunk, the oldest boat form known; the Pesse canoe from the Netherlands dates to about 8000 BC.
Duisburg-Walsum power station
Duisburg-Walsum power station (Kraftwerk Duisburg-Walsum) is a hard coal-fired power station in the Walsum district of Duisburg, Germany, operated by STEAG; its 790 MW Unit 10 dates to 2013.
Dujiangyan (都江堰)
Dujiangyan (都江堰), also known as the Dujiangyan Irrigation System, is an ancient damless irrigation system in Sichuan, China, begun around 256 BC by Li Bing and still in use.
Duke Energy
Duke Energy, formerly Duke Power, is an American energy holding company headquartered in Charlotte, North Carolina, whose regulated utilities serve about 8.7 million electric customers in six states.
Duke Energy Carolinas
Duke Energy Carolinas, a subsidiary of Duke Energy headquartered in Charlotte, North Carolina, is a regulated utility serving about 2.3 million customers in the central and western Carolinas.
Duke Energy Florida
Duke Energy Florida is a regulated electric utility serving roughly 2 million customers in central and west central Florida, with roots as Florida Power Corporation from 1899.
Duke Energy Indiana
Duke Energy Indiana is a regulated electric utility based in Plainfield, Indiana, serving about 860,000 customers across 23,000 square miles and owned by Duke Energy Corporation.
Duke Energy Kentucky
Duke Energy Kentucky, formerly the Union Light, Heat and Power Company, is a regulated utility serving about 152,000 electric and 105,000 gas customers in Northern Kentucky.
Duke Energy Ohio
Duke Energy Ohio is a regulated electric and natural gas utility serving southwestern Ohio, including Cincinnati, formed from Cincinnati Gas & Electric and merged into Duke Energy in 2006.
Duke Energy Progress
Duke Energy Progress is a Duke Energy subsidiary serving about 1.6 million customers in central and eastern North Carolina, Asheville, and parts of South Carolina.
Dukhan field
The Dukhan field is Qatar's first and only onshore oil and gas field, on the western side of the Qatar peninsula about 80 km west of Doha. Discovered in 1939, it is operated by QatarEnergy.
Dukouhe-Qilibei Gas Field
Dukouhe-Qilibei Gas Field is an onshore gas field in the Sichuan Basin, China, operated by PetroChina, holding China's highest hydrogen sulfide content, 17.06%, and commissioned on June 30, 2025.
Dukovany nuclear power plant
The Dukovany nuclear power plant (Jaderná elektrárna Dukovany) is the first nuclear power plant built on Czech territory, near Třebíč. Run by ČEZ, its four reactors supply about 20 percent of Czech electricity.
DUKW
The DUKW, nicknamed the duck, was a six-wheel-drive amphibious truck built for the US military in World War II, ferrying supplies ashore from Sicily to Normandy.
Dul Hasti Hydroelectric Plant
Dul Hasti Hydroelectric Plant, also written Dulhasti, is a 390 MW run-of-the-river power station on the Chenab River in Kishtwar, Jammu and Kashmir, India, commissioned in 2007.
Dulanga Coal Mine
Dulanga Coal Mine is an opencast coal mine in the Ib Valley Coalfield, Sundergarh district, Odisha, operated by NTPC Limited with a rated capacity of 7.0 million tonnes per year.
Dulces Nombres (Monterrey) power station
The Dulces Nombres (Monterrey) power station (Central de ciclo combinado Dulces Nombres) is a natural gas combined-cycle plant in Pesquería, Nuevo León, Mexico, opened in 2002 as Iberdrola's first Mexican power plant.
Dulle Griet
Dulle Griet, also known as the Groot Kanon, is a large mid-15th-century wrought-iron bombard built for the Dukes of Burgundy and displayed in Ghent, Belgium.
Dulles International Airport
Washington Dulles International Airport in Chantilly, Virginia, opened in 1962 as the first US airport designed for commercial jets, with a main terminal by Eero Saarinen.
Dulles International Airport Main Terminal
Dulles International Airport Main Terminal: Eero Saarinen's 1962 landmark terminal in Dulles, Virginia, with its suspended catenary concrete roof and mobile lounge system, operated by MWAA and now being expanded under the GlobalGateway program.
Dulux
Dulux is an international brand of decorative and protective paints, first launched in Britain in 1931, now split between AkzoNobel, DuluxGroup (part of Nippon Paint Holdings), and other licensees.
DuluxGroup
DuluxGroup is an Australian manufacturer of paints, coatings, and home improvement products, best known for the Dulux brand and owned by Nippon Paint Holdings since 2019.
Dumai–Melaka Cable System
The Dumai–Melaka Cable System (DMCS) is a 159-kilometer submarine cable across the Strait of Malacca, jointly owned by Telekom Malaysia and Telkom Indonesia and in service since 2005.
Dumbarton Bridge (California)
The Dumbarton Bridge is a six-lane toll bridge carrying State Route 84 across southern San Francisco Bay between Newark and East Palo Alto, opened in October 1982.