fuel-efficientadjective
uk/ˌfjuː.əl.ɪˈfɪʃ.ənt/us/ˌfjuː.əl.ɪˈfɪʃ.ənt/working in a way that does not waste fuel:
They are replacing their old aircraft with more fuel-efficient models.
Thesaurus: synonyms and related words
Fuels
- -fired
- alternative energy
- biodiesel
- bioethanol
- biomass
- briquette
- coal-fired
- coke
- denatured alcohol
- fuel
- fuel poverty
- gas
- gas-fired
- gasometer
- hickory chips
- oil
- propellant
- slack
- solid fuel
- wind farm
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Environmental issues