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JIVE (fuel cell bus project)
JIVE, the Joint Initiative for hydrogen Vehicles across Europe, was an EU-funded program that deployed around 290 hydrogen fuel cell buses and refuelling infrastructure at 16 European sites.
Jixi hydroelectric plant
Jixi hydroelectric plant, formally the Anhui Jixi Pumped Storage Power Station (安徽绩溪抽水蓄能电站), is a 1,800 MW pumped-storage station in Jixi County, Anhui Province, China, fully operational since 2021.
Jiyang Shale Oil Field
The Jiyang Shale Oil Field is a continental shale oil field in the Jiyang Depression, Bohai Bay Basin, Shandong, China, developed by Sinopec's Shengli Oilfield.
Jiyuan Oil Field
The Jiyuan Oil Field (姬塬油田) is a large one-billion-tonnage oil field in the central Ordos Basin of north-central China, operated by PetroChina's Changqing Oilfield Company.
Jizan IGCC power plant
The Jizan IGCC power plant, also written Jazan IGCC, is an integrated gasification combined cycle complex in Jazan Economic City, southwest Saudi Arabia, generating up to 3.8 GW.
JL-1
JL-1, formally Jilin-1 (吉林一号), is a Chinese high-resolution optical Earth-observation satellite launched in 2015, the first of a commercial constellation operated by Chang Guang Satellite Technology.
JL-1 (惊雷-1) (air-launched ballistic missile)
The JL-1 (惊雷-1, JingLei-1), known to US intelligence as CH-AS-X-13, is China's nuclear-capable air-launched ballistic missile, carried by the Xian H-6N bomber and unveiled in September 2025.
JL-2
The JL-2 (Ju Lang-2, CSS-N-14) is a Chinese three-stage, solid-propellant submarine-launched ballistic missile carried on Jin-class nuclear submarines, developed alongside the DF-31 and likely entering service in 2015 with a range near 8,000 km.
JNR Class C62
The JNR Class C62 (C62形) was a Japanese 4-6-4 express passenger steam locomotive built in 1948 and 1949, hauling flagship limited expresses on the Tokaido and Sanyo main lines.
JNR Class D51
The JNR Class D51 (D51形), nicknamed Degoichi, is a Japanese 2-8-2 tender steam locomotive built for freight from 1936, with 1,115 units built, the most numerous single class in Japan.
Joachim L Heinzl
Joachim Heinzl is a German mechanical engineer who developed the commercial Siemens PT80i inkjet printer and became an international member of the United States National Academy of Engineering in 2007.
Joanna Aizenberg
Joanna Aizenberg is a materials scientist at Harvard known for bioinspired and adaptive materials, including slippery liquid-infused surfaces, liquid-based gating, and dynamic microstructured actuators.
Joanna Hoffman
Joanna Hoffman is a Polish-born marketing executive who was the first marketing person on Apple's Macintosh team and was played by Kate Winslet in the 2015 film Steve Jobs.
Joanne Oil and Gas Field
Joanne is an oil and gas field in the UK Central North Sea, discovered in 1981 and produced since 1997 through a subsea tieback to the Judy platform.
João F. Mano
João F. Mano (João Filipe Colardelle da Luz Mano) is a Portuguese researcher in biomaterials and tissue engineering, a full professor at the University of Aveiro since 2016.
João Paulo II Airport
João Paulo II Airport (Aeroporto João Paulo II), also called Ponta Delgada Airport, is the international airport serving Ponta Delgada on São Miguel, the main gateway to the Azores.
Joaquin Resasco
Joaquin Resasco is an Argentine-born American chemical engineer, an assistant professor at the University of Texas at Austin known for research on electrocatalytic carbon dioxide reduction.
Job safety analysis
Job safety analysis, also called job hazard analysis, is a workplace technique that breaks a job into steps to identify and control hazards before harm occurs.
Joby Aviation
Joby Aviation is a Santa Cruz, California aerospace company founded by JoeBen Bevirt in 2009 to develop and operate electric air taxis, notably the five-seat S4.
Joby S4
The Joby S4 is an all-electric air taxi developed by Joby Aviation of Santa Cruz, California, carrying a pilot and four passengers at up to 200 mph.
JODCO
JODCO, formally Japan Oil Development Co., Ltd. (ジャパン石油開発株式会社), is a Japanese oil exploration and production company wholly owned by INPEX, developing crude oil fields in Abu Dhabi since 1973.
Jodie L. Lutkenhaus
Jodie L. Lutkenhaus is a professor of chemical engineering at Texas A&M University and Associate Dean for Research, known for metal-free, biodegradable batteries built from redox-active polymers.
Joe B. Rosenbaum
Joe B. Rosenbaum (born 1912) was an American extractive metallurgist at the United States Bureau of Mines and a member of the National Academy of Engineering.
Joe Hong Chow
Joe Hong Chow is an electric power engineer and Institute Professor at Rensselaer Polytechnic Institute, known for widely used methods for modeling, analysis, and control of large-scale power grids.
Joe Lonsdale
Joe Lonsdale (Joseph Lonsdale) is an American entrepreneur and venture capitalist who co-founded Palantir Technologies in 2003, founded the venture firm 8VC, and started companies including Addepar and OpenGov.
Joe Mauk Smith
Joe Mauk Smith (1916–2009) was an American chemical engineer at UC Davis and author of the standard textbooks Introduction to Chemical Engineering Thermodynamics and Chemical Engineering Kinetics.
Joe Reis
Joe Reis, Salt Lake City data engineer, co-author of the O'Reilly bestseller Fundamentals of Data Engineering with Matt Housley, Ternary Data co-founder, creator of Mixed Model Arts and The Joe Reis Show.
Joe Sutter
Joe Sutter (1921–2016) was an American aeronautical engineer who spent his career at Boeing and, as chief engineer of the 747, led the design of the world's first wide-body airliner.
Joe W. Johnson
Joseph William Johnson, known as Joe W. Johnson, was an American civil engineer and professor of hydraulics at UC Berkeley who helped found coastal engineering as a discipline.
Joel H. Collier
Joel H. Collier is a biomaterials scientist and Theodore Kennedy Professor of Biomedical Engineering at Duke University, known for self-assembling peptide nanofiber vaccine platforms such as Q11.