diesel fuel

noun

: a heavy mineral oil used as fuel in diesel engines

Examples of diesel fuel in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Venezuela produces the kind of heavy crude oil that’s needed for diesel fuel, asphalt and other fuels for heavy equipment. Michelle Chapman, Los Angeles Times, 6 Jan. 2026 Traffic in the area was delayed for about three hours as crews cleaned up a diesel fuel leak from the tractor-trailer. Angie Dimichele, Sun Sentinel, 6 Jan. 2026 David McNew / Getty Images Marquez helped convert Pasadena's fire fleet to renewable diesel fuel so that his crews wouldn't keep breathing in the emissions from idling trucks. Kara Finnstrom, CBS News, 5 Jan. 2026 Venezuela produces the kind of heavy crude oil that’s needed for diesel fuel, asphalt and other fuels for heavy equipment. Michelle Chapman, Fortune, 5 Jan. 2026 See All Example Sentences for diesel fuel

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of diesel fuel was in 1949

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Cite this Entry

“Diesel fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20fuel. Accessed 10 Jan. 2026.

More from Merriam-Webster on diesel fuel

Last Updated: - Updated example sentences
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