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

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

Oil prices are a threat to the stock, but even higher oil prices can drive demand for more fuel-efficient engines, so long as the economy stays stable amid those higher prices.

From Barron's • May 7, 2026

Longer-term responses could be a boost in demand for more fuel-efficient vehicles, and maybe it will lead some consumers to buy EVs, he said.

From MarketWatch • May 5, 2026

Ultimately these new manufacturers snapped up a chunk of the American auto business, with brands such as Toyota, Honda and Nissan and their high-quality, fuel-efficient models.

From The Wall Street Journal • Apr. 8, 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