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Methods for higher energy efficiency
Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many
Efficient_energy_use
Topics referred to by the same term
conserving energy Efficient energy use, minimizing the amount of energy used for a given, constant energy service Energy conservation, reducing energy consumption
Energy_efficiency
Power-saving option for Ethernet network devices
In computer networking, Energy-Efficient Ethernet (EEE) is a set of enhancements to twisted-pair, twinaxial, backplane, and optical fiber Ethernet physical-layer
Energy-Efficient_Ethernet
Driving using techniques that reduce fuel consumption
Energy-efficient driving techniques are used by drivers who wish to reduce their fuel consumption, and thus maximize fuel efficiency. Many drivers have
Energy-efficient_driving
Kennedy, “Energy Efficient Transformers” McGraw-Hill, 1998. "J. Li, "Use of Energy Efficient Transformers in Asia", presented in Asian Energy Conference
Energy_efficient_transformer
Reducing energy consumption
which consume renewable energy or energy with more efficiency). Energy conservation can be achieved through efficient energy use, which has some advantages
Energy_conservation
Consumption of energy by animals and societies
the energy industry Climate change White's law Energy conservation, the practice of decreasing the quantity of energy used Efficient energy use Energy efficiency –
Energy_consumption
Environmentally responsible construction principles
most energy-efficient, environmentally sound methods are used in design and construction. Bioclimatic design principles are able to reduce energy expenditure
Green_building
Physical quantity
production. Energy portal Physics portal Renewable energy portal Combustion Efficient energy use Energy democracy Energy crisis Energy recovery Energy recycling
Energy
US non-profit organisation
Energy-Efficient Economy (ACEEE) is a nonprofit, 501(c)(3) organization. Founded in 1980, ACEEE's mission is to act as a catalyst to advance energy efficiency
American Council for an Energy-Efficient Economy
American_Council_for_an_Energy-Efficient_Economy
Degree to which a process minimizes waste of resources
of work done to thermal energy consumed Thermodynamic efficiency: ratio between actual work and ideal work Efficient energy use, the objective of maximising
Efficiency
Discussing what form of transport is the most fuel efficient and economical
efficiency), or the fewer joules it uses to travel over one metre (less consumption). The efficient use of energy in transport largely varies by means
Energy efficiency in transport
Energy_efficiency_in_transport
Form of thermal efficiency
EcoAuto (in Canada) Efficient energy use Emission standard Energy content of Biofuel Energy conservation Energy conversion efficiency Energy density FF layout
Fuel_efficiency
Efficiency leads to increased demand
Jevons paradox is sometimes used to argue that energy conservation efforts are futile, for example, that more efficient use of oil will lead to increased
Jevons_paradox
Biological material from living or recently living organisms
form of renewable energy useful as fuel and as a source of some chemical products. Relative to coal and petroleum however, the energy content of biomass
Biomass
Decentralized electricity-distribution architecture
can be connected into an Energy Wide Area Network (EWAN). Energy flows are controlled by devices termed Energy Routers. These use power electronics and an
EnergyNet
Power generation via movement of water
Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power
Hydropower
regional differences in energy use. Townhouses are more energy efficient than single-family homes because less heat, for example, is used per person. Similarly
Energy_in_the_United_States
Energy collected from renewable resources
to its reliance on non-renewable fuel. Renewable energy systems have rapidly become more efficient and cheaper over the past 40 years. A large majority
Renewable_energy
Type of billing of electricity generated from renewable sources
(or net energy metering, NEM) is an electricity billing mechanism that allows consumers who generate some or all of their own electricity to use that electricity
Net_metering
Voluntary computer power supply certification program
promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency
80_Plus
2009 Russian modernisation programme
the top 5 priorities for the country's technological development: efficient energy use; nuclear technology; information technology; medical technology and
Medvedev modernisation programme
Medvedev_modernisation_programme
Captured energy for later usage
Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production.
Energy_storage
Energy-efficient landscaping is a type of landscaping designed for the purpose of conserving energy. There is a distinction between the embedded energy
Energy-efficient_landscaping
Large scale electricity supply management
electrolysis and thermal energy storage. Energy storage is one option to making grids more flexible. Another solution is the use of more dispatchable power
Grid_energy_storage
An energy efficient mortgage (EEM or "green mortgage") is a loan product that allows borrowers to reduce their utility bill costs by allowing them to finance
Energy_efficient_mortgage
Motorized bicycle with an integrated electric motor
e-bikes are: 18 times more energy efficient than an SUV 13 times more energy efficient than a sedan 6 times more energy efficient than rail transit Of about
E-bike
Radiant light and heat from the Sun, harnessed with technology
Solar energy is the radiant energy from the Sun's light and heat, which can be harnessed using a range of technologies such as solar electricity, solar
Solar_energy
Maximizing effect while minimizing waste
Technologies for the period 2013–2018. Scarcity Natural resource management Efficient energy use Water efficiency European Union, European Union priorities 2019-2024
Resource_efficiency
US EPA program and certification
the Energy Star label often appears with the EnergyGuide label of eligible appliances to highlight energy-efficient products and compare energy use and
Energy_Star
Measure of an economy's energy inefficiency
power outages, unexpected new sources, efficient uses of energy or energy subsidies may all impact overall energy intensity of a nation. Thus, a nation
Energy_intensity
Energy efficiency standard for buildings
the overall use of energy with highly efficient lightning and heating, ventilation, and air conditioning (HVAC) technologies. The zero-energy goal is becoming
Zero-energy_building
Cabinet-level agency in Massachusetts
Energy and Environmental Affairs (EOEEA) is a Cabinet-level agency under the Governor of Massachusetts. EOEEA is responsible for promoting efficient energy
Massachusetts Executive Office of Energy and Environmental Affairs
Massachusetts_Executive_Office_of_Energy_and_Environmental_Affairs
House designed for reduced energy use
A low-energy house is characterized by an energy-efficient design and technical features which enable it to provide high living standards and comfort with
Low-energy_house
Energy efficiency promotion agency in India
and Natural Gas of Government of India. It is engaged in promoting efficient energy use in various sectors of the economy. It helps the government in proposing
Petroleum Conservation Research Association
Petroleum_Conservation_Research_Association
Energy efficiency, or efficient energy use, describes an optimization of the power requirements and environmental impacts of energy systems. This includes
Energy efficiency in Pennsylvania
Energy_efficiency_in_Pennsylvania
Technical and technological processes for protection of the environment
encourage their application, such as variable speed generators and efficient energy use, can reduce the amount of carbon dioxide (CO2) and sulfur dioxide
Environmental_technology
Technology to convert the energy from tides into useful forms of power
Tidal power or tidal energy is harnessed by converting energy from tides into useful forms of power, mainly electricity using various methods. Although
Tidal_power
Energy consumption labelling scheme
efficiency classes from A to G on the label, A being the most energy efficient, G the least efficient. The labels also give other useful information to the customer
European_Union_energy_label
Concept in environmentalism
design Energy and HVAC Efficient energy use Deep energy retrofit List of low-energy building techniques Low-energy house Zero-energy building Zero heating
Sustainable_refurbishment
Vehicle using two or more power sources
both fuel efficiency and energy efficiency. In hybrid electric vehicles, for instance, the electric motor is more efficient at producing torque, or turning
Hybrid_vehicle
Integration of energy sectors
regarded as key concepts in the global energy transition, as it makes the adoption of renewable energy sources more efficient and cheaper. The sector coupling
Sector_coupling
UK government energy efficiency scheme
government to enhance efficient energy use in residential properties. The scheme initially consulted on by the Department for Energy Security and Net Zero
Great British Insulation Scheme
Great_British_Insulation_Scheme
Significant structural change in an energy system
heat pumps being the most efficient technology by far. To improve the flexibility of electrical grids, the installation of energy storage and super grids
Energy_transition
Overview of and topical guide to energy
– energy unit equal to the energy released when burning one tonne of oil (~42 GJ). Volt Ampere Coulomb Efficient energy use Energy recovery Energy recycling
Outline_of_energy
Company on energy conservation and supply
that reduces the energy cost of a building. The ESCO starts by performing an analysis of the property, designs an energy efficient solution, installs
Energy_service_company
Winery in California
Building Council's LEED (Leadership in Energy and Environmental Design) Platinum Certification for efficient energy use; their Alexander Valley winery was
Silver_Oak_Cellars
for Efficient Energy (EME²) is a stakeholder platform that seek to promote efficiency in the energy sector as a means to achieve overall energy and resource
European Movement for Efficient Energy
European_Movement_for_Efficient_Energy
Technologies to store thermal energy
represent a promising and adaptable technology for efficient thermal energy management in multiple uses. An encapsulated thermal battery is physically similar
Thermal_energy_storage
History of the physical concept
In the history of physics, the history of energy examines the gradual development of energy as a central scientific concept. Classical mechanics was initially
History_of_energy
Delivery of fuels to point of use
transformation World energy consumption Worldwide energy supply Clean Tech Nation Effects of 2000s energy crisis Efficient energy use Geothermal power Global
Energy_supply
American fuel cell company
"considered the most efficient but most technologically challenging fuel-cell technology." Instead of precious metals, Bloom Energy's fuel cells use wafers made
Bloom_Energy
The Energy Efficient Engine was a program funded by NASA in the 1970s to develop technologies suitable for energy efficient turbofans. Its goal was to
Energy_Efficient_Engine
Classification of energy sources in sustainability planning
encourage energy saving. The second priority under the energy hierarchy is to ensure that energy that is used is produced and consumed efficiently. Energy efficiency
Energy_hierarchy
Storing surplus electricity production in chemical form
electricity conversion, energy storage, and reconversion pathways from surplus renewable energy. By linking the power sector to other energy sectors, power-to-X
Power-to-X
Oxygen-free break down of material
be fed with purpose-grown energy crops, such as maize. Anaerobic digestion is widely used as a source of renewable energy. The process produces a biogas
Anaerobic_digestion
Energy conservation Energy democracy Efficient energy use Renewable energy European Commission, Clean energy for all Europeans package Directive 2018/2001
Energy_community
Type of electrical grid
or larger arrays of batteries recycled from these, or other energy storage. Energy efficient resources Electric surplus distribution by power lines and
Smart_grid
Architecture designed to minimize environmental impact
solar building design allows buildings to harness the energy of the sun efficiently without the use of any active solar mechanisms such as photovoltaic
Sustainable_architecture
Subsidiary of the Kohler Company
Clarke Energy, a Rehlko company, is a multinational specialist in the sale, engineering, installation and maintenance of power plants that use gas engines
Clarke_Energy
System that transfers heat from one space to another
conditioner. As it transfers rather than generates heat, it is more energy-efficient than heating by gas boiler. In a typical vapor-compression heat pump
Heat_pump
Useful power output per electrical power consumed
voltage signals at high electrical efficiency. Antenna efficiency Efficient energy use Energy conversion efficiency Index of electronics articles Maximum power
Electrical_efficiency
efficiencies, using photoelectrochemical cells, are reported. Engineers report the development of a prototype wave energy converter that is twice as efficient as
Timeline of sustainable energy research 2020 to the present
Timeline_of_sustainable_energy_research_2020_to_the_present
Form of energy conversion
renewable energy if the gasified compounds were obtained from biomass feedstock. An advantage of gasification is that syngas can be more efficient than direct
Gasification
Extracting energy from exhaust or waste
energy recovery. Wind systems on ships are under development. Very little work on the airline industry is known in this field. Efficient energy use Energy
Energy_recovery
Variation on the Rankine thermodynamic cycle
to the Carnot efficiency of the turbine, it may be more efficient to use the thermal energy as heat itself rather than to generate electricity. The selection
Organic_Rankine_cycle
Policy for emissions reductions
targets for greenhouse gases, targets for fossil-free energy production and efficient energy use, and for the extent of planned measures for climate change
Climate_target
Freedom from others regarding energy
on energy for food, infrastructure, security, transportation, and more. Energy portal Efficient energy use Energy development Energy policy Energy resilience
Energy_independence
Transport of energy by wind waves, and the capture of that energy to do useful work
which require robust and efficient technology to capture the energy. Challenges include designing and building wave energy devices that can withstand
Wave_power
Environmentally sustainable hotel
include non-toxic housekeeping practices, the use of renewable energy, organic soaps, energy-efficient light fixtures, serving local organic food, reusing
Eco_hotel
Pedal-driven two-wheel vehicle
three times as energy efficient as walking and three to four times as fast. In built-up cities around the world, urban planning uses cycling infrastructure
Bicycle
Economy based on ecological economics
fuels as well as energy conservation and efficient energy use. Renewables, like solar energy and wind energy, may eliminate the use of fossil fuels for
Green_economy
Ratio to describe data-center efficiency
efficiency is a ratio that describes how efficiently a computer data center uses energy; specifically, how much energy is used by the computing equipment (in contrast
Power_usage_effectiveness
Intergovernmental political forum (1997–2014)
initiative on efficient energy use. They agreed to explore, along with the International Energy Agency, the most effective means to promote energy efficiency
G8
American non-profit organization
Energy Efficiency Implementation Efficient energy use American Council for an Energy-Efficient Economy Electric Vehicle Energy Star Plug-in Hybrid Electric
Vermont Energy Investment Corporation
Vermont_Energy_Investment_Corporation
in Boulder and Basalt in also especially dedicated to promoting efficient energy use within the world's rapidly developing economies. The 7.7 megawatt
Solar_power_in_Colorado
Fuels from sources other than fossil fuels
consume electric energy of less than 0.16 kWh/km. Biofuels are also considered a renewable source. Although renewable energy is used mostly to generate
Alternative_fuel
Philadelphia. In 2009, Recyclebank became a certified B corporation. Efficient energy use Gamification Sustainability Triple Bottom Line Waste Management DeSimone
Recyclebank
Gases produced by decomposing organic matter
to be a renewable energy resource as the methane can be combusted to release energy. This energy release allows biogas to be used as a fuel. Biogas and
Biogas
has issues with efficient energy use and total energy production. This creates the overlap for biogas to take on some level of energy production in Tunisia's
Energy_in_Tunisia
Person accredited in the United Kingdom to produce energy performance certificates
A Domestic Energy Assessor (DEA) for efficient energy use is an accredited position in the UK that is approved by the Ministry for Housing, Communities
Domestic_energy_assessor
Addition of new technology or features to older systems
and environmental impact of the building. This can include improving the energy efficiency of the HVAC and other mechanical systems, increasing the quality
Retrofitting
Simultaneous generation of electricity and useful heat
(CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time. Cogeneration is a more efficient use of fuel or
Cogeneration
Energy available from oceans
Marine energy, also known as ocean energy, ocean power, or marine and hydrokinetic energy, refers to energy harnessed from waves, tides, salinity gradients
Marine_energy
Electrical power generation from wind
the use of wind energy to generate useful work. Historically, wind power was used by sails, windmills and windpumps, but today it is mostly used to generate
Wind_power
Power generated by geothermal energy
Geothermal power is electrical power generated from geothermal energy. Technologies in use include dry steam power stations, flash steam power stations
Geothermal_power
Italian computer scientist
interests include computer architecture, reconfigurable computing, and efficient energy use in computing. She is a professor in the Department of Computer Engineering
Cristina_Silvano
Carbon dioxide reduction scheme
combustion device with one using less fuel per unit of energy provided. They can do this by optimizing industrial processes, reducing energy costs per unit. They
Carbon_offsets_and_credits
Technology of indoor and vehicular environmental comfort
other building systems (i.e. air-source heat pump water heaters) and use energy modeling to evaluate performance and operating costs. The three major
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Distance food is transported from production to consumption
far more energy efficient, even including the transport cost, than the UK, twice as efficient in the case of dairy, and four times as efficient in case
Food_miles
Conversion of energy from sunlight into electricity
of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the
Solar_power
Methods bringing energy into production
efficient technology or production process. Reducing energy use may save consumers money if the energy savings offset the cost of an energy-efficient
Energy_development
Marginal cost of reducing pollution
California's Assembly Bill 32, 2008 Options and Potentials for Energy End-use Efficiency and Energy Services, Wuppertal Institute, 2006 "EPA, Global mitigation
Marginal_abatement_cost
Exclusively using renewable resources for all energy
100% renewable energy is the goal of using fully renewable resources for all electric energy consumption. 100% renewable energy for electricity, heating
100%_renewable_energy
Primary energy sources from which secondary energy for direct use is produced
Energy consumption – Consumption of energy by animals and societies Energy independence – Freedom from others regarding energy Efficient energy use –
Energy_mix
Methodology for assessing environmental impacts
distribution and use, to the recycling or final disposal of the materials composing it (grave). An LCA study involves a thorough inventory of the energy and materials
Life-cycle_assessment
Network protocol for smart grid applications
for smart grid applications. OSGP is optimized to provide reliable and efficient delivery of command and control information for smart meters, direct load
Open_Smart_Grid_Protocol
Carbon-neutral drop-in replacement fuel
electricy with the opportunity to use waste heat for the heating of buildings, combining the advantage of efficient renewable energy generation in favorable regions
Electrofuel
Broad field of engineering dealing with energy
find the most efficient and sustainable ways to operate buildings and manufacturing processes. Energy engineers audit the use of energy in those processes
Energy_engineering
requires |journal= (help) KAPSARC. "Efficient Industrial Energy Use: The First Step in Transitioning Saudi Arabia's Energy Mix" (PDF). KAPSARC. Retrieved 9
Energy_in_Saudi_Arabia
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