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Results 7751 - 7760 of 7794 for Efficiency
  • Article - 29 Dec 2012
    Biofuels are liquid fuels derived from biological materials like vegetable oils, corn or sugar cane.
  • 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...
  • 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.
  • 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...
  • 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...
  • 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.
  • Article - 24 Oct 2012
    As America heads towards elections this November, the plans and policies of the presidential candidates are becoming clearer as President Barrack Obama and Republican opponent Mitt Romney clashed in...
  • Article - 7 Aug 2012
    Considering that the global population of the planet is set to rise to around 9.1 billion by the year 2050, a child today will have to have sustainable practises ingrained from an early age for the...
  • Article - 12 Jun 2012
    In this '5 of the Best' article we look at five wines that go above and beyond the call of duty in the search for a sustainable tipple.
  • Article - 10 May 2012
    Many of us are familiar with the concept that energy from ocean waves can be used for useful work, including electricity generation.

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