I'm just rambling here, I by no means know anything about fuels other than they burn and there are a plithera of additives put into all the fuels today. I certainly wouldn't discount the possibility that what you guys are talking about could be true. Whether it's the answer to ccd or not I wouldn't touch.
If you remember, folks used to take a teaspoon of kerosene to get rid of worms back in the day when worms were common place amongst folks. Now days they say it would kill you or at least send you on a trip to the hospital to ingest the stuff because of all the garbage they put in it now.
"Success is not final, failure is not fatal: it is the courage to continue that counts." Winston Churchill