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

These thrusters are extremely fuel-efficient and are well suited for gradual, precise maneuvers.

From Science Daily • Jun. 10, 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

Rising fuel costs could also support EV demand and a shift toward more affordable, fuel-efficient vehicles, benefiting brands such as Perodua, they say.

From The Wall Street Journal • Apr. 22, 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