[SEL] Corn-gas a BUST!

[tamatea whanau]

Joe that puts things in perspective as far as i am aware the biofuels are
much cleaner and greener  i am surprised the big oil companies havent
cottoned on to complaining about the gas emissions from cows causing global
warming  ..i suppose i should write that quietly. I still wonder why the
steam cars were dropped as they only produce water vapor as an exhaust
emmission and the moters were virtually silent its a pity development was
stopped could even be run on biofuels . brent

-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com]On Behalf Of JR504 at aol.com
Sent: Tuesday, September 25, 2007 2:28 PM
To: sel at lists.stationary-engine.com
Subject: Re: [SEL] Corn-gas a BUST!


At the risk of sounding like a conspiracy theorist, which I am not, this is
nothing more than a mouthpiece article for big oil, taking a shot at
Biodiesel and Alternative Fuels.  This is very old news and written in a
way to make
it sound like something that it's not.  The emissions that  they're
referring
to is NOx emissions (NO, NO2, NO3) that is formed under high  combustion
chamber temps.  The tiny increases that you normally see with  Biodiesel
(from
100ppm to 102ppm on my car during cruise) can very easily be  compensated
for by
increasing EGR gasses, or retarding injection timing by  a degree (1.5
degrees
on my '99 VW TDI).  For a long time these increases  were disputed because
they are small enough to be camouflaged by normal margins  of error in
dynomometer testing.  The latest Diesels have catalysts that  virtually
eliminate NOx
emissions out the tailpipe, so the 2% increase out of  the combustion
chamber
doesn't mean anything.  Tailpipe emissions between  the 2 fuels on engines
equipped with modern exhaust systems is identical, at  least in terms of
NOx.  Soot
is much lower with Biodiesel.

Joe Rappa
Mexico, NY




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