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fuel-efficient

American  
[fyoo-uhl-i-fish-uhnt] / ˈfju əl ɪˌfɪʃ ənt /

adjective

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


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Example Sentences

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EasyJet, and other airlines, are investing in the latest, more fuel-efficient aircraft.

From BBC Jul. 21, 2026

"This order will support their growth ambitions well into the next decade and reflects our strong confidence in the Boeing 737 MAX and sustained demand for fuel-efficient, technologically advanced narrowbody aircraft," he said.

From Barron's Jul. 20, 2026

His influence extends through the aerospace supply chain, which has struggled to return to pre-Covid production levels, leaving airlines without all the new, fuel-efficient capacity they need.

From Barron's Jun. 19, 2026

The Air Force is planning to replace the 1960s-era engines on the B-52 with modern engines that are more fuel-efficient.

From The Wall Street Journal Jun. 15, 2026

And he got out three months before Cadillac, in April 1975, introduced the Seville, a fuel-efficient model that looked as though it had lost its pants, after which Cadillacs were never the same.

From "Middlesex: A Novel" by Jeffrey Eugenides

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