efficiency efficiency  /ɪ ˈfɪ ʃən si/


  1. (n) the ratio of the output to the input of any system
  2. (n) skillfulness in avoiding wasted time and effort


  1. The first-in-the-nation TV efficiency standards would go into effect in January 2011 and would require televisions sold in California to use 50% less energy by January 2013.
  2. New fuel-efficiency rules are a start, but Obama must take political risks for climate change.
  3. Meanwhile, efficiency experts say that keeping tires inflated can improve gas mileage 3%, and regular maintenance can add another 4%.


  1. Cornwall, Stafford, Hamden, Glastonbury promote energy efficiency

    Four Connecticut towns have joined energy efficiency programs to get their businesses and residents to conserve their power and heating.
    on June 20, 2013     Source: Hartford Business Journal

  2. READER SUBMITTED: New Britain Students Win Award For Energy Efficiency

    Energize Connecticut, together with The Connecticut Energy Efficiency Fund, Connecticut Light & Power and the United Illuminating Company, announced yesterday the winners of its ninth annual eesmarts student contest for students in grades K through 12.
    on June 19, 2013     Source: FOX CT Hartford

  3. Energy efficiency projects benefit low-income families

    Ask Enedina Popesco about the energy efficiency upgrades to her home in the Bienestar Apartment complex in San Luis, Ariz., and she is all smiles as she shows her electric bill - a bill that is half what it used to be. "Muy bien," agrees Maria Espinoza. She too is seeing significant...
    on June 19, 2013     Source: The Yuma Sun


  1. In previewing the announcement yesterday, President Obama said the new standards come "after decades in which we have done little to increase auto efficiency."
    on Apr 1, 2010 By: Barack Obama Source: USA Today

  2. "My work at the Council on Environmental Quality is entirely focused on one goal: building clean energy incentives which create 21st century jobs that improve energy efficiency and use renewable resources," Jones said in his statement tonight.
    on Sep 3, 2009 By: Van Jones Source: ABC News

  3. "We did look at a number of different options but ultimately concluded that we had to restructure our organisations in order to improve our effectiveness and efficiency as a business," Google senior vice president of sales and business...
    on Mar 26, 2009 By: Omid Kordestani Source: The Age

Word of the Day
languish languish
/ˈlæŋɡ wɪʃ /