TOP

Definition of fuel efficiency noun from the Oxford Advanced Learner's Dictionary

fuel efficiency

noun
 
/ˌfjuːəl ɪˈfɪʃnsi/
 
/ˈfjuːəl ɪfɪʃnsi/
[uncountable, countable]
jump to other results
  1. an engine's ability to get energy from fuel
    • Increasing the fuel efficiency results in each kilometre of driving being cheaper.
    Topics Transport by car or lorryc1, The environmentc1
misty
adjective
 
 
From the Topic
Weather
C1
Oxford Learner's Dictionaries Word of the Day