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

Derived Forms

• fuel-efficiency
  noun

Example Sentences

Many commercial drivers already practice fuel-efficient habits: They use cruise control and try to drive with a “feather foot” on the pedals instead of “lead foot” to prevent excessive acceleration and braking.

From The Wall Street Journal • Jun. 2, 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

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

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

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