P J wrote:

> Shell is promoting its new nitrogenized gasoline as an engine cleaning
> formula. Anybody knows if this is for real and how nitrogen could
> accomplish that? I've been favoring Chevron for its techron content for
> the same reason.
> pj


I can't see how any sort of dissolved free nitrogen would do squat for
cleaning. I'd think that the air would provide plenty...

Shell's site is full of typical idiot-level Dancing Bologna and says
nothing of consequence.

Amines have long been used in the better anti-deposit additives.
Although a very complex family of compounds, all amines use a nitrogen
atom as a foundation. http://en.wikipedia.org/wiki/Amines This is
hardly bleeding edge tech...

I suspect nothing is new, except for the dumb ad campaign. (OK, maybe
they increased the amount of 'stuff' in their mix by 2%...)

-Humbug!