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.
Prices could keep rising, since tomatoes are transported across the country on trucks that run on diesel fuel. Kelly McCarthy, ABC News, 13 Apr. 2026 Relative price increases for diesel fuel have been higher than for gasoline. Edward Lotterman, Twin Cities, 12 Apr. 2026 The government approved a range of measures two weeks ago to cut fuel prices, including a temporary reduction in excise taxes on motor fuels, expansion of a rebate for truckers and bus operators that use diesel fuel, and extension of a program that helps low-income people with their heating costs. Brian Melley, Fortune, 11 Apr. 2026 The suspension doesn’t affect diesel fuel. Carole Carlson, Chicago Tribune, 8 Apr. 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

Browse Nearby Words

Cite this Entry

“Diesel fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20fuel. Accessed 17 Apr. 2026.

More from Merriam-Webster on diesel fuel

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster