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Results 7731 - 7740 of 7778 for Efficiency
  • Geothermal Heat Pumps
    Article - 30 Jan 2013
    Geothermal heat pumps are otherwise known as water-source, ground-source, earth-coupled or geoexchange heat pumps.
  • Innovations in Cleaner Burning Diesel
    Article - 25 Jan 2013
    Health and environmental impact of diesel fuel exhaust is a subject of concern, according to statements by an international organization and recently published research.
  • Is Tidal Power a Viable Source of Energy?
    Article - 16 Jan 2013
    Tidal power is a kind of hydropower that generates electric power by converting the energy of tides.
  • How Will Ocean Thermal Energy Conversion Help the Environment?
    Article - 4 Jan 2013
    OTEC is an energy technology that makes use of the ocean’s temperature difference between the warm surface water and the cold deeper water.
  • The Cost of Biofuel Production
    Article - 29 Dec 2012
    Biofuels are liquid fuels derived from biological materials like vegetable oils, corn or sugar cane.
  • How is a Solar Panel Made?
    Article - 19 Dec 2012
    A solar panel is a set of solar cells that convert light energy into electric energy. A number of solar panels, a battery, interconnection wiring and an inverter constitute a large photovoltaic system...
  • Into the Future: Solar Power from Outer Space
    Article - 20 Nov 2012
    Solar energy is an eco-friendly and inexpensive form of energy. This clean, safe and sustainable energy form has been used for centuries in various ways – to heat, to dry and to generate fire.
  • The Times Square Ball: What's It Made From?
    Article - 17 Nov 2012
    The Times Square Ball located at the top of the One Times Square building and is used during New Year's Eve celebrations in New York. The ball is lowered down a flagpole annually on December 31 at...
  • Vauxhall Ampera Electric Car
    Article - 15 Nov 2012
    Vauxhall Ampera is a plug-in electric car and an extended-range electric vehicle (E-REV). It employs a state-of-the-art battery and engine technology to overcome the general drawbacks of electric cars...
  • LED Lighting: How Does it Help the Environment?
    Article - 6 Nov 2012
    Light emitting diodes (LEDs) are semiconductor diodes that generate light by collecting charges present in a semiconductor at a relevant energy band gap.

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