“The benefit of boosting cetane number is well understood. It's a shame that it isn't a legal requirement to sell fuel with a 55 rating.
Our car seems to be quieter and we get improved fuel consumption.
I will be using it for the foreseeable future.”
“Over 500 mile journeys repeated regularly I have found maybe a 5% increase in economy. Main benefit for me was smoother quieter running of a VW Diesel engine. My Mercedes diesel runs beautifully quiet with this additive. Don’t use continuously but I believe periodically is a of benefit to your engine / fuel system”
“This product was highly recommend by a mechanic friend of ours who has used it for years and swears by it. We have only just started to use it so fingers crossed it will prove to be a winner”