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fuel-efficient: Meaning and Definition of

fu•el-ef•fi•cient

Pronunciation: (fy'ul-i-fish"unt), [key]
— adj.
  1. producing power, heat, etc., at a rate considered optimal with regard to the amount of fuel consumed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
fuel cell fuel-injected
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