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

Tire manufacturers say models that meet the new standards cost hundreds of dollars more per set, far more than the commission’s estimate and any savings consumers would derive from improved fuel economy.

From The Wall Street Journal ● Aug. 23, 2026

Driving a bit slower increases his fuel economy.

From The Wall Street Journal ● Jun. 2, 2026

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

Against this, the poor scavenging efficiency of the two-stroke operation, and most probably its concurrent poor fuel economy, were always evident; and, moreover, at that time the majority of operating engines were four-stroke-cycle.

From The Wright Brothers' Engines and Their Design by Leonard S. Hobbs