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fuel efficiency

American  
[fyoo-uhl-i-fish-uhn-see] / ˈfyu əl ɪˌfɪʃ ən si /

noun

  1. the quality or degree of being fuel-efficient or of minimizing the amount of fuel needed to function.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

O’Leary, ever focused on cost management, thought Starlink antennas would hurt fuel efficiency.

From Barron's • May 15, 2026

The challenge is balancing fuel efficiency, traction, and durability.

From Science Daily • May 13, 2026

Transportation Secretary Sean Duffy is the father of nine, and in December he offered an odd defense of the Trump administration lowering fuel efficiency standards.

From Salon • Feb. 16, 2026

Sedans like the Chevrolet Impala, Ford Fairlane and Chrysler New Yorker filled American roads from the 1950s to the 1970s—but they weren’t known for their fuel efficiency.

From The Wall Street Journal • Feb. 14, 2026

The loss through the water jacket of the average automobile power plant is over 50 per cent. of the total fuel efficiency.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

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