# Where is the dye added to diesel fuel?

**URL:** <https://boards.straightdope.com/t/where-is-the-dye-added-to-diesel-fuel/941922>\
**Category:** Factual Questions\
**Created:** [May 12, 2021, 4:57pm UTC](https://boards.straightdope.com/t/where-is-the-dye-added-to-diesel-fuel/941922 "2021-05-12T16:57:25Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![TriPolar](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/tripolar/32/3008_2.png) [@TriPolar](https://boards.straightdope.com/u/TriPolar)\
**Post date:** [May 14, 2021, 1:43pm UTC](https://boards.straightdope.com/t/where-is-the-dye-added-to-diesel-fuel/941922/5 "2021-05-14T13:43:05Z")

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This seems to be obscure information. At least we have a report from @Dereknocue67 that it isn’t the drivers adding the dye in the delivery truck. Back in the original thread @dtilque tells us that the drivers do put the additives in gasoline in the delivery truck. In that case, no one would notice if the driver didn’t put the additives in. It could be a crime to do omit the dye with diesel.

> [@What does the colonial pipeline actually carry....fuel, yes..but how?](https://boards.straightdope.com/t/what-does-the-colonial-pipeline-actually-carry-fuel-yes-but-how/941873/11):
>
> I understand this is true. The difference between different brands is the additives. Those are added by the fuel truck driver after it’s put into his truck.

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