...for you research types of some fuel doohickey to fix performance problems attributed to fuel that I came across...

http://www.fitchcatalyst.com/details.php?prodId=44&category=30

I'd be curious for to see if anyone knows of any kind of results with it or if this would be a magic bullet for some issues?!?!!?

IMO, if it worked it would be used by manufacturers.  So much easier and cheaper than research and development to achieve fuel economy and emission standards.