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fuel-efficient

[ fyoo-uhl-i-fish-uhnt ]
/ ˈfyu əl ɪˌfɪʃ ənt /
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adjective

producing power, heat, etc., at a rate considered optimal with regard to the amount of fuel consumed.

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OTHER WORDS FROM fuel-efficient

fu·el-ef·fi·cien·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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