energy-efficient
81Energy content of biofuel — A Table of Energy Content and CO2 Output of Common Fuels Energy is the ability to do work. Per kilogram of mass, different substances can do different amounts of work.cite web url=http://bioenergy.ornl.gov/papers/misc/energy conv.html… …
82Energy and Environmental Research Center — The Energy and Environmental Research Center (EERC) in Grand Forks, North Dakota EERC is a research, development, demonstration, and commercialization facility recognized as one of the world’s leading developers of cleaner, more efficient energy… …
83Energy Institute — The Energy Institute, commonly referred to as EI, is the main professional organization for the energy industry within the UK that promotes the safe, environmentally responsible and efficient supply and use of energy in all its forms and… …
84Energy in Uganda — Burning of renewable resources provides much of the energy in Uganda, though the government is attempting to become energy self sufficient. While much of the hydroelectric potential of the country is untapped, the government decision to expedite… …
85efficient — /I fISFnt/ adjective a person, machine, or organization that is efficient works well and effectively without wasting time, money, or energy: an efficient heating system | a very efficient secretary efficiently adverb …
86efficient — [[t]ɪfɪ̱ʃ(ə)nt[/t]] ♦♦♦ ADJ GRADED If something or someone is efficient, they are able to do tasks successfully, without wasting time or energy. With today s more efficient contraception women can plan their families and careers. Derived words:… …
87energy efficiency — /ɛnədʒi əˈfɪʃənsi/ (say enuhjee uh fishuhnsee) noun the efficient use of energy so that less energy is consumed to produce the same result as previously obtained, as by the use of insulation in houses to save energy used in air conditioning, or… …
88energy conservation — /ɛnədʒi kɒnsəˈveɪʃən/ (say enuhjee konsuh vayshuhn) noun the more efficient use of energy so as to decrease the amount of energy used overall, as by changing consumer patterns of use …
89energy recovery — /ˈɛnədʒi rəkʌvəri/ (say enuhjee ruhkuvuhree) noun the efficient use of materials which are the incidental by product of a process, as the heat energy produced in the air vented by an air conditioner, or the methane produced in wastewater… …
90efficient — I (New American Roget s College Thesaurus) n. effective, effectual, efficacious, operative; skillful, capable, productive, competent; causative. See power, skill, agency, cause, utility. Ant., inefficient, ineffectual. II (Roget s IV) modif. 1. [ …
