# What does the colonial pipeline actually carry....fuel, yes..but how?

**URL:** <https://boards.straightdope.com/t/what-does-the-colonial-pipeline-actually-carry-fuel-yes-but-how/941873>\
**Category:** Factual Questions\
**Created:** [May 11, 2021, 11:27pm UTC](https://boards.straightdope.com/t/what-does-the-colonial-pipeline-actually-carry-fuel-yes-but-how/941873 "2021-05-11T23:27:42Z")\
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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 12, 2021, 3:46pm UTC](https://boards.straightdope.com/t/what-does-the-colonial-pipeline-actually-carry-fuel-yes-but-how/941873/17 "2021-05-12T15:46:07Z")

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> [@md-2000](#):
>
> I assume though, adding the dye is something done at the last possible stage of processing/wholesale?

Interesting question, I don’t when it’s added. I just did a couple of quick searches and came up empty. Since the dying is highly tied to taxation it probably has fairly tight controls. I knew a guy who lost his fuel supply business for selling the wrong subsidized heating oil to construction companies, not exactly the same as highway taxes, but still illegal.

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