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

The blend wall has been getting harder to scale as fuel economy improves.

From The Wall Street Journal ● May 10, 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

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 Hobbs, Leonard S.