fuel-efficient

American  

[fyoo-uhl-i-fish-uhnt] / ˈfyu 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

What’s Next: Deutsche Bank research analysts wrote that if fuel prices remain elevated for the next several months, airlines will begin cutting off-peak flights and grounding less fuel-efficient aircraft.

From Barron's • Mar. 18, 2026

If gas-price volatility continues, then automakers that already have more fuel-efficient models may stand to benefit the most.

From The Wall Street Journal • Mar. 10, 2026

“But every time we did, it coincided with a move toward more fuel-efficient vehicles.”

From Los Angeles Times • Mar. 10, 2026

Historically, gas prices have weighed on car shoppers and often pushed them to consider more fuel-efficient choices.

From The Wall Street Journal • Mar. 10, 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