Date: Sun, 09 Oct 2005 01:20:43 GMT From: "Walt Kienzle" <wkienzle.nospamnospamlobal.net> Subject: Re: SAAB Bi-Power
"Pooh Bear" <rabbitsfriendsandrelationsnospamail.com> wrote in message news:434869B7.56910F0nospamail.com... > > > MH wrote: > >> > Is your thinking about banning diesel based on the particulates they >> > make ? >> >> Yes, specially in urban areas. (Sulphur in diesel fuel is a problem too.) >> >> > I've heard that bio-diesel is much better in this regard too. >> Yes, about 65% reduction of particulates, but it produces more nitrogen >> oxides >> (NOx), which can be cured with a catalytic converter, but Diesel engines >> usualy >> do not have a cc because of the high sulphur content (which makes a cc >> useless). >> >> The 'best' fuel (relatively, of course) is hydrogen and oxygen, but LPG >> is >> environmentally friendly as well. >> >> To get some more SAAB content; my '79 96 runs both on LPG and petrol. I >> once did >> a test with a portable GC on its exhaust, running on LPG and then running >> on >> petrol, see http://members.home.nl/saab96/techtip/96GC-LPG.jpg >> >> The LPG graph (left) is a flat line; no hydrocarbon emisions, while the >> petrol >> graph (right) clearly shows peaks of benzene, toluene and xylene. > > Good point. > > Petrol's a bugger to burn cleanly since it's made up of so many different > molecules. > > In comparison a 'pure fuel' does much better. Alcohol should be very good > in this > regard too. > > I wonder if part of the reason for E85 rather than pure alcohol is to get > some fuel > system lubrication from the oil based content ? > > Graham > The reason for the 15% petrol in E85 is so the engine will start at temperatures below 15C. In Brazil, where they sell 100% ethanol at the pump, the recommendation is to fit a small supplemental petrol tank to allow the engine to start in lower temperatures. Maybe I missed this in earlier postings, but has anyone tried the E85 9-5? Is it actually available yet? Walt Kienzle 1991 9000T
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