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  2. Efficient energy use - Wikipedia

    en.wikipedia.org/wiki/Efficient_energy_use

    Common energy efficiency label on appliances to indicate their energy efficiency in a clear manner. Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems.

  3. Energy conservation - Wikipedia

    en.wikipedia.org/wiki/Energy_conservation

    The Federal Government is also promoting a new 30% model code for efficient building practices in the construction industry. Additionally, according to the American Council for an Energy-Efficient Economy (ACEEE), the EISA's energy efficiency and conservation initiatives will cut carbon dioxide emissions by 9% in 2030.

  4. Cleaner production - Wikipedia

    en.wikipedia.org/wiki/Cleaner_production

    Cleaner production is a preventive, company-specific environmental protection initiative. It is intended to minimize waste and emissions and maximize product output. [ 1 ] By analysing the flow of materials and energy in a company, one tries to identify options to minimize waste and emissions out of industrial processes through source reduction ...

  5. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    A realistic indication of energy efficiency over an entire year can be achieved by using seasonal COP or seasonal coefficient of performance (SCOP) for heat. Seasonal energy efficiency ratio (SEER) is mostly used for air conditioning. SCOP is a new methodology which gives a better indication of expected real-life performance of heat pump ...

  6. Electrical efficiency - Wikipedia

    en.wikipedia.org/wiki/Electrical_efficiency

    A premium efficiency electric motor: more than 90% (see Main Article: Premium efficiency). A large power transformer used in the electrical grid may have efficiency of more than 99%. Early 19th century transformers were much less efficient, wasting up to a third of the energy passing through them. [citation needed]

  7. Clean technology - Wikipedia

    en.wikipedia.org/wiki/Clean_technology

    Fully electric car charging its battery at a public charging station. Netafim, drip irrigation. Clean technology, also called cleantech or climatetech, is any process, product, or service that reduces negative environmental impacts through significant energy efficiency improvements, the sustainable use of resources, or environmental protection activities.

  8. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    Renewable energy in developing countries is an increasingly used alternative to fossil fuel energy, as these countries scale up their energy supplies and address energy poverty. Renewable energy technology was once seen as unaffordable for developing countries. [ 200 ]

  9. Eco-efficiency - Wikipedia

    en.wikipedia.org/wiki/Eco-efficiency

    First, incremental eco-efficiency, which "specifies the effects of the total value of a product system or sector and its total concomitant environmental effects." [ 1 ] Second, an analysis method nicknamed win-win , which "gives a comparison between a historical reference situation and potentially new situations based on the use of new ...