This relates to the claims of diesel fuel additive manufacturers relating to added lubricity to prevent component wear from "dry" ULSD. Quite worrying that some claim improvements & make the situation worse with their additives. This particular research was purely down to lubricity & not cleansing ability / power increases etc. The Auto Express article refers to a study "Which" carried out on the further claims of fuel additive manufacturers which again stated that some additives make the fuel perform worse than in its untreated form. Heres another: http://www.petrolprices.com/fuel-additives.html Heres the Which report: http://www.which.co.uk/cars/driving/car-running-costs/fuel-prices/fuel-additives/ I've had a good look through the internet & can't find any reputable report that states these products work. The additive manufacturers claim their products work, but I can't find a link to provide proof of this. The EPA in America regulates Fuel additives in the U.S, but they are only interested in passing them as safe regarding what comes out of the tailpipe & not whether they work. I found an article on race fuels & competitors putting an array of additives in their tank, none of which improved performance & some which actively damaged the engines. I've made my decision, unless someone can prove via an independent report that this stuff is actually useful,it may be best avoided.
http://www.vwt4forum.co.uk/showthread.php?t=203405
http://www.autoexpress.co.uk/car-news/33200/fuel-additives-are-waste-money#
Looks to be a bit of a minefield so far, I'll update if I find anymore.
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