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Clean Energy Finance Corporation
The Clean Energy Finance Corporation (CEFC), established under a 2012 act, is the Australian Government's green bank, investing commercially in renewable energy, energy efficiency, and low emissions technologies.
Clean Energy for All Europeans package
The Clean Energy for All Europeans package is a set of eight EU legislative acts, proposed in 2016 and adopted in 2018 and 2019 to implement the Energy Union strategy.
Clean Energy Fuels Corp.
Clean Energy Fuels Corp. is an American company that sells renewable natural gas as a vehicle fuel and builds and operates fueling stations across the United States and Canada.
Clean Energy Ministerial
The Clean Energy Ministerial (CEM) is a voluntary global forum of governments, established in 2010, whose members account for most of the world's clean energy investment.
Clean Energy States Alliance
The Clean Energy States Alliance, a nonprofit founded in 2002 and based in Montpelier, Vermont, helps state energy agencies expand clean energy, storage, and solar markets.
Clean Fuel Production Credit
The Clean Fuel Production Credit is a US federal tax credit under Section 45Z paying producers of low-emission transportation fuels per gallon, effective for fuel produced after 2024.
Clean Fuel Regulations
The Clean Fuel Regulations are Canadian federal regulations requiring liquid fossil fuel suppliers to gradually reduce the lifecycle carbon intensity of gasoline and diesel, in force since June 2022.
Clean Fuels Alliance America
Clean Fuels Alliance America, formerly the National Biodiesel Board, is the American trade association for biodiesel, renewable diesel, and sustainable aviation fuel, founded in 1992.
Clean Hydrogen Partnership
The Clean Hydrogen Partnership, legally the Clean Hydrogen Joint Undertaking, is an EU public-private partnership funding hydrogen research, established in November 2021 with a budget above €2 billion.
CleanCapital
CleanCapital is a clean energy investment platform and independent power producer founded in 2015, with over 350 solar and storage projects and more than $1.5 billion deployed.
Cleaning agent
A cleaning agent, also called a cleaning product, is a chemical substance that removes soils, stains, and impurities, ranging from household soap and detergent to industrial solvents.
Cleanlab
Cleanlab is an American data-quality software company, founded in 2021 by three MIT PhDs, whose Python library uses confident learning to find label errors in machine learning datasets.
CleanRL
CleanRL is an open-source Python library for deep reinforcement learning created by Shengyi Huang and colleagues, where every algorithm variant lives in a single self-contained file.
Cleanroom
A cleanroom is a room with a controlled and classified airborne particle concentration, designed to keep particles out, used for microelectronics, pharmaceuticals, aerospace, and other contamination-sensitive work.
Clear channel assessment
Clear channel assessment (CCA) is the physical-layer mechanism an 802.11 Wi-Fi radio uses to decide whether the wireless channel is busy or idle, controlling when a station may transmit.
CLEAR Secure
CLEAR Secure is a New York-based secure identity company whose paid CLEAR+ subscription uses iris, fingerprint, and face verification to speed travelers through airport security ID checks.
Clear-air turbulence
Clear-air turbulence (CAT) is high-altitude turbulence encountered outside convective clouds, often in cloudless regions with no visible warning, caused mainly by wind shear near jet streams.
Clear-sky index
The clear-sky index is the ratio of measured ground-level solar irradiance to what a clear-sky model predicts, leaving a value near 1 in cloudless conditions and used in most solar forecasting models.
Clear-sky model
A clear-sky model is a set of formulae estimating solar irradiance at the Earth's surface under cloudless conditions, used in solar forecasting and satellite irradiance estimation.
Clearance (electric power)
Clearance in electric power is the minimum required separation between energized conductors and the ground, buildings, vegetation, or people, set by codes like the NESC.
Clearance level
A clearance level is an activity concentration or surface contamination value below which radioactive material may be released from regulatory control for unrestricted use or disposal.
ClearML
ClearML, formerly Allegro Trains, is an open-source end-to-end MLOps/LLMOps platform: experiment tracking, data versioning, orchestration, pipelines, and model serving, self-hosted or SaaS; Apache 2.0 SDK, SSPL server, latest v2.1.12 (Aug 2026).
Clearpath Husky
The Clearpath Husky is a rugged four-wheel skid-steer unmanned ground vehicle made by Clearpath Robotics of Waterloo, Ontario, for outdoor robotics research, with the A200 and A300 models.
Clearpath Jackal
The Clearpath Jackal is a small, weatherproof, skid-steered unmanned ground vehicle built by Clearpath Robotics of Kitchener, Ontario, released in 2014 as an entry-level research platform for field robotics.
Clearpath Robotics
Clearpath Robotics is a Canadian robotics company founded in 2009 in Kitchener, Ontario, that builds research ground vehicles and OTTO Motors warehouse robots, and was acquired by Rockwell Automation in October 2023.
Clearpath Warthog
The Clearpath Warthog is a large amphibious all-terrain unmanned ground vehicle from Clearpath Robotics, launched in 2016 and built with ARGO XTR for research use.
ClearType
ClearType is a sub-pixel font rendering technology developed by Microsoft that improves text readability on LCD displays by addressing each pixel's red, green, and blue stripes separately.
Clearview AI
Clearview AI is an American technology company that sells facial recognition searches to law enforcement from a database of more than 70 billion images scraped from the public internet.
Clearwater (gas field)
Clearwater is a natural gas and liquids-rich producing area in west-central Alberta, Canada, operated by Cenovus Energy. It produces NGLs and gas from Cretaceous and Jurassic formations.
Clearwater Analytics Holdings, Inc.
Clearwater Analytics is an American SaaS company headquartered in Boise, Idaho, founded in 2004, whose cloud platform automates investment accounting, compliance, and reporting for insurers and asset managers.