Wed, 16 Sep 1998 15:36:08 +0100 - Message No. 4008
From: Jorge Pereira

Subject: Re: RE: Leaded/IUnleaded




>
> <<...On the other hand unleaded fuel doesn't have lead, but it defenately
> also needs some other "antiexplosive". This in the case of unleaded fuel
> is cyclic hyfrocarbons like benzol, a proven carcinogenic. When an
> engine that doesn't have a cat burns unleaded fuel, it still has no PbOx
> comming out of its exhaust, but it has benzol and you can even smell the
> difference! So without a cat unleaded fuel is less polutant when it
> comes to heavy metals (Pb), but is at least as hazardous to your health
> as leaded.>>>

Ok, but benzol is a burnable (??...) element (at least is an organic
matter). In perfect conditions such
as good engine temperature benzol is burned and doesn't affect the
environment.

Jorge Pereira





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