fuel economy

American  

[fyoo-uhl-i-kahn-uh-mee] / ˈfju əl ɪˌkɑn ə mi /

noun

fuel economies plural

1. the efficiency with which a vehicle burns a fuel such as gasoline, usually measured or expressed in miles per gallon or number of liters per 100 kilometers.

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Other Word Forms

Derived Forms

• fuel-economic
  adjective
• fuel-economical
  adjective
• fuel-economy
  adjective

Inflected Forms

Nouns

• fuel economies
  plural

Example Sentences

See Examples For:

fuel economy

That could eventually lead to tires that last longer, grip roads more effectively in wet conditions, and improve fuel economy at the same time.

From Science Daily ● May 13, 2026

If prices remain elevated through the fall, however, many will look at the situation and re-evaluate the type of car or truck they drive with an eye toward better fuel economy.

From MarketWatch ● Apr. 29, 2026

The state is looking at a $216.4 billion revenue shortfall over the next decade due to increasing fuel economy and electric vehicles.

From Los Angeles Times ● Apr. 29, 2026

Back then, the Explorer’s fuel economy was in the teens.

From The Wall Street Journal ● Mar. 10, 2026

Smaller fuel tanks could be used because of the greater fuel economy of the diesel, and also because of the high specific gravity of fuel oil as compared to gasoline.

From The First Airplane Diesel Engine: Packard Model DR-980 of 1928 by Meyer, Robert B.