Originally Posted By: Eddie
From Shells literature, it appears that the Nitrogen additive is used ONLY in V-Power and not the lower octane grades.
According to this page, it says "Shell is introducing the all-new Nitrogen Enriched Gasolines, containing a unique, patented cleaning system designed to seek and destroy engine “gunk” (carbon deposits) in all three grades of gasoline."
http://www.shell.us/home/content/usa/abo...gen_030209.html
From Shells literature, it appears that the Nitrogen additive is used ONLY in V-Power and not the lower octane grades.
According to this page, it says "Shell is introducing the all-new Nitrogen Enriched Gasolines, containing a unique, patented cleaning system designed to seek and destroy engine “gunk” (carbon deposits) in all three grades of gasoline."
http://www.shell.us/home/content/usa/abo...gen_030209.html