I had to search REALLY hard to find anything negative and of that, all I found was one page
(Car Talk) and it contained hearsay evidence at best.
I will have to check deeper but I want more that someone going "spoke to a fuel-systems engineer who works for one of the major oil companies" to de-bunk this...
Quote:
been disproven as snakeoil many times in the past
Any data/links/etc?