this post was submitted on 15 Jun 2026
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[–] Skua@kbin.earth 3 points 1 day ago (1 children)

I would personally hazard a guess at diesel. It does have such a low octane number that octane isn't really a relevant factor for it, it won't immediately destroy an engine, and Russia's oil & gas industry will already be making it in large quantities and probably even transporting it to the same places as the petrol

[–] Triumph@fedia.io 1 points 15 hours ago (1 children)

Diesel is rated by cetane, not octane, and the cetane numbers are lower. There's nowhere that diesel would have a cetane pump rating of 92.

That's certainly gasoline.

[–] Skua@kbin.earth 2 points 14 hours ago (1 children)

Sorry, to clarify: my guess is that the petrol is being diluted with diesel. That would work better than most other adulterants, and it would also explain a drop in measured octane. I dd specifically mean octane; you can measure diesel's octane and it is very low, it's just not relevant in normal usage because diesel engines ignite their fuel differently to petrol ones

[–] Triumph@fedia.io 2 points 14 hours ago

Ohhhhhhhh yeah that makes sense!