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Eclipse 500
The Eclipse 500 is an American six-seat very light jet built by Eclipse Aviation of Albuquerque, powered by two Pratt & Whitney turbofans and FAA certified in 2006.
Eclipse Cyclone DDS
Eclipse Cyclone DDS is an open-source implementation of the OMG DDS specification and DDSI-RTPS wire protocol, hosted by the Eclipse Foundation and widely used in ROS 2.
Eclipse Foundation
The Eclipse Foundation is a vendor-neutral nonprofit that hosts open source software projects, best known as the home of the Eclipse Platform and Jakarta EE.
Ecma International
Ecma International, formerly the European Computer Manufacturers Association, is a Swiss standards association founded in Geneva in 1961, best known for publishing the ECMAScript standard behind JavaScript.
ECMAScript
ECMAScript is a general-purpose programming language defined by the ECMA-262 standard and best known as the language embedded in web browsers, where JavaScript is its best-known implementation.
Eco-Drive
Eco-Drive, also written エコ・ドライブ, is the light-powered watch technology of Japan's Citizen Watch Co., introduced in 1995, running more than six months in darkness on a full charge.
Eco-Site II
Eco-Site II, LLC was a Durham, North Carolina company formed in 2017 to build and operate wireless towers for carriers like Verizon and T-Mobile, acquired by Vertical Bridge in 2020.
Ecobat
Ecobat is a battery recycling and resource recovery company headquartered in Dallas, Texas, that recycles lead-acid batteries and produces lead and lead alloys, and until 2026 also recycled lithium-ion batteries.
Ecobonus
Ecobonus is an Italian income-tax deduction for energy-efficiency upgrades to existing buildings, introduced by the 2007 financial law and covering insulation, windows, heat pumps, and boilers.
Ecodesign Directive
The Ecodesign Directive is a European Union framework law, adopted in 2009, authorizing the Commission to set minimum ecodesign requirements for energy-related products sold in the EU.
Ecodesign for Sustainable Products Regulation
The Ecodesign for Sustainable Products Regulation (ESPR) is a 2024 EU regulation setting binding ecodesign requirements for almost all products on the single market, replacing the 2009 Ecodesign Directive.
Ecofining
Ecofining is a catalytic hydroprocessing technology developed by Eni and Honeywell UOP that converts vegetable oils and animal fats into renewable diesel, first used commercially by Diamond Green Diesel in 2013.
Ecogas México
Ecogas México is a Mexican natural gas distribution utility serving Mexicali, Chihuahua, and La Laguna-Durango. It grew from the first private gas distribution permit, granted in 1996.
Ecolabel
Ecolabel: voluntary certified environmental label (FAO definition; ISO Type I/II/III), exemplified by MSC (19.5% of wild marine catch), ASC, EU Ecolabel; covers verification chain, costs, controversies, and 2024-2025 EU regulation.
École des Ponts ParisTech
École des Ponts ParisTech, officially École nationale des ponts et chaussées (ENPC), is a French grande école founded in 1747 to train state engineers for bridges and roads.
Ecological effects of dam removal
Dam removal sets off sediment release, channel recovery, fish recolonization, and vegetation growth on former reservoir beds, as seen at the Elwha and Klamath rivers.
Ecological sanitation
Ecological sanitation, or EcoSan, is a family of sanitation methods that treat human excreta as a resource rather than waste, recycling its nutrients as fertilizer, compost, or biogas.
Economic dispatch
Economic dispatch is an optimization method in power systems engineering that allocates scheduled generation among online units to minimize total fuel cost while meeting demand and operating limits.
Economic order quantity
The economic order quantity (EOQ) is the order size that minimizes combined inventory holding and ordering costs, first presented by Ford W. Harris in 1913.
Economics of reusable launch vehicles
The economics of reusable launch vehicles study whether recovering and reflying rocket hardware lowers launch costs; the Space Shuttle failed at this and SpaceX's Falcon 9 succeeded.
Economics, law and policy of dam removal
The economics, law and policy of dam removal covers who pays to dismantle a dam, who bears liability, and removal versus repair, with over 2,000 US dams removed since 1912.
Economizer
An economizer is a heat-recovery device that transfers heat from hot boiler exhaust to incoming feedwater, reducing fuel use, often saving 5 to 10 percent.
Economy car
An economy car, also known as a low cost car, is a small, inexpensive automobile defined by low purchase and running costs rather than any official size class.
eCos
eCos, short for embedded Configurable operating system, is an open source, royalty-free real-time operating system for deeply embedded systems, conceived by Cygnus Solutions in 1997.
Ecosia
Ecosia is a Berlin-based not-for-profit search engine founded by Christian Kroll in 2009 that dedicates 100% of its profits to tree planting and other climate action.
EcoStruxure
EcoStruxure is Schneider Electric's open, IoT-enabled system architecture, launched in 2009, connecting electrical distribution, automation, building control, and data center products for monitoring and analytics.
EcoStruxure Automation Expert
EcoStruxure Automation Expert is a software-defined industrial automation platform from Schneider Electric, built on the IEC 61499 standard, that combines PLC and distributed control system capabilities.
Ecovative Design
Ecovative Design is an American biomaterials company in Green Island, New York, founded in 2007 by Eben Bayer and Gavin McIntyre, best known for its compostable Mushroom Packaging.
Ecovyst
Ecovyst Inc. is an American chemical company based in Wayne, Pennsylvania, providing sulfuric acid regeneration, virgin sulfuric acid, and sulfur dioxide products to refining and mining customers.
ECS (satellite bus)
ECS was a geostationary communications satellite bus developed by British Aerospace in the United Kingdom as successor to ESA's Orbital Test Satellite, flying five European Communications Satellites for EUTELSAT between 1983 and 1988.