Blown F350 Ford engine: Because of Biofuel or Ford's own injector problem?

I am going to defer to my mechanically inclined engine guru writing partner, whose occupation involves all sorts of grease-monkeying, but this poor chap, who is a member of the San Francisco Biofuels group, blew up the engine in his brand new Ford F350 and was told he voided his warranty using biofuel. Later Ford changed their tune and he found out Ford had issued a major recall for injector problems - the symptoms of which he claims were exactly the same for his engine.

"To my understanding, biodiesel has a higher flash point and I can't understand how one blows up an engine on a vegetable-based fuel. Ford markets the ultra-low-sulfur engine as the cleanest in the industry. I ran B100 in my 2004 F25- for 2 years-a similar, high performance PowerStroke."
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Skip several interesting exchanges later, Ford scrambled and is now covering everything-and has even offered to take the truck back and sell me a new one (mine had only 200 miles on it). Next, I found out that Ford just offered a massive recall for injector problems that create a hydrolock that produces white smoke and can cause a massive bang-exactly what happened to me.... The whole things seems to have been a ploy to cover up something they eventually had to admit to on a massive scale. Go Ford."

Hat tip to PajamasMedia.