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

Deutsche Lufthansa LHA -3.20%decrease; red down pointing triangle reported 2025 results slightly above average expectations due to more fuel-efficient aircraft and an increase in passengers, but warned that the conflict in the Middle East could impact its performance this year.

From The Wall Street Journal

Both Airbus and its rival Boeing have struggled to return to pre-pandemic production levels after their entire network of suppliers was disrupted, even as airlines are eager to modernise their fleets with more fuel-efficient aircraft and expand to meet an expected increase in passenger numbers over the coming decades.

From Barron's

Heavy-duty turbines are the most fuel-efficient design among natural gas-power generating engines, according to a report from Thunder Said Energy.

From The Wall Street Journal

For some in the US car industry there will be uncertainty about the rollback as manufacturing less fuel-efficient vehicles might limit their sales overseas.

From BBC

But manufacturers stress that newer aircraft are far more fuel-efficient and can fly longer distances without stopping, cutting overall emissions.

From BBC