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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Other Word Forms

• fuel-efficiency
  noun

Example Sentences

Meanwhile, Deutsche Lufthansa canceled flights and grounded less fuel-efficient aircraft, while Air France-KLM AF 0.09%increase; green up pointing triangle froze hiring.

From The Wall Street Journal • Jun. 11, 2026

These thrusters are extremely fuel-efficient and are well suited for gradual, precise maneuvers.

From Science Daily • Jun. 10, 2026

Drivers of plug-in hybrid cars, which still use gasoline but are more fuel-efficient than gasoline cars, aren’t off the hook, either; those drivers would pay $35 every year, with the amount gradually rising to $50.

From The Wall Street Journal • May 19, 2026

Airlines have reduced the frequency of flights on some routes, grounded or retired older or less fuel-efficient aircraft, postponed aircraft deliveries, and raised their fees for checked bags and other costs.

From Barron's • May 17, 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