Energy Efficiency

Energy efficiency may refer to:

  • Efficient energy use, sometimes simply called energy efficiency.
    • Energy efficiency in transportation.
  • Energy conversion efficiency, the ratio between the output and input of an energy conversion machine.
  • Energy conservation, efforts made to reduce energy consumption.

Famous quotes containing the words energy and/or efficiency:

    “Much of the modern resistance to chastity comes from men’s belief that they “own” their bodies—those vast and perilous estates, pulsating with the energy that made the worlds, in which they find themselves without their consent and from which they are ejected at the pleasure of Another!”
    —C.S. (Clive Staples)

    “I’ll take fifty percent efficiency to get one hundred percent loyalty.”
    —Samuel Goldwyn (1882–1974)