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English definition of “fuel-efficient”

fuel-efficient

adjective /ˌfjʊəl.ɪˈfɪʃ.ənt/
working in a way that does not waste fuel: They are replacing their old aircraft with more fuel-efficient models.
(Definition of fuel-efficient adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Definitions of “fuel-efficient” in other dictionaries

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