On Sat, 7 Mar 2009 21:00:15 -0800 (PST), wrote:

Nitrogen is a inert diatomic gas at standard conditions, constituting
78% by volume of Earth's atmosphere.
Is your engine is already burning nitrogen fortified air??!!
It is marketing bull****.

On Mar 7, 8:27*pm, Andy Asberry wrote:
I saw an ad tonight on TV. Shell gasoline is now fortified with added
nitrogen.

How is this done, why and how does that keep your engine clean?

And were some BTUs displaced?
"Let Esso put a tiger in your tank" - " Texaco takes the hair out
of your gas" - "Chevron Supreme fits square gas tanks as well as
round" I think I remembered those correctly.
Gerry :-)}
London, Canada