Ok I have read thru most of this thread and I find it very disturbing why the reason for this failure cannot be found. In this year of 2009 I would expect the science community to have some ability to determine when a liquid will become a solid.
DERG
If you had really read this thread as you claim, and taken on board some very erudite input from fuel chemists and engine system engineers, then you would have realised that the "simple" issue is extremely complex.