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.

---

Other Word Forms

• fuel-efficiency noun

Example Sentences

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

“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

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

The deal may support MISC’s fleet rejuvenation, accelerating its shift toward more fuel-efficient, lower-emission vessels and enhancing long-term competitiveness amid tighter environmental standards, he says.

From The Wall Street Journal • Feb. 4, 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