I picked up the following excerpt from Fred's TDI forum:
#---------------------------------------
One disappointment from today: I inquired about biodiesel in this new
engine, and they said anything higher than B5 causes problems for the
particulate traps (????) and cannot be used. Makes no sense to me, given
that biodiesel dramatically REDUCES particulate output...but he did say
that VW authorizes use of B100 in Europe in TDIs up to 2004, when the
particulate traps started going in and, ostensibly, problems started
occurring. We'll have to learn more about this. Apparently testing is
still taking place.
#--------------------------------------
The VW TDI engine in the 2008 models is a new common rails design with a
lot of extras to counter diesel emissions, but I feel over time VW will
work out problems it currently has with running biodiesel in the new
engine. If VW doesn't come up with a solution to running biodiesel in
the new engine, then the boys over on the forum will, no doubt, figure
out a way to do it, but it might void the warranty.
Regards,
LelandJ
Chet Gardiner wrote:
Will it run on bio-diesel?
Leland Jackson wrote:
Sweet!
http://www.autoblog.com/2006/09/23/2008-vw-jetta-tdi-spotted-in-the-us/
Regards,
LelandJ
[excessive quoting removed by server]
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