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

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

The emergence of electric vehicles, hybrids and more fuel-efficient gasoline-powered vehicles is part of the reason, even as those fuel efficiencies are mostly reaped by the well-heeled Americans who can afford the newer cars.

From MarketWatch • May 5, 2026

And it would take four to six months of higher gas prices for most Americans to reconsider more fuel-efficient vehicles, said Paul Jacobson, GM’s chief financial officer.

From The Wall Street Journal • Apr. 1, 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

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