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fuel-efficient

American

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

adjective

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

Other Word Forms

fuel-efficiency

noun

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

fuel-efficient

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

From BBC ● Jul. 21, 2026

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

Higher oil prices are a risk, but they also drive demand for new, more fuel-efficient planes.

From Barron's ● May 28, 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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023