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

Carriers that have invested in more fuel-efficient planes, including United and Delta, could get a cushion, said Henry Harteveldt, founder of Atmosphere Research Group, an airline advisory firm.

From The Wall Street Journal • Mar. 12, 2026

“If prior gasoline price spikes are any indication, you tend to see interest in more fuel-efficient vehicles,” he said.

From Los Angeles Times • Mar. 10, 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 manufacturers stress that newer aircraft are far more fuel-efficient and can fly longer distances without stopping, cutting overall emissions.

From BBC • Feb. 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