Originally Posted by dcf4x4

A number of years ago my old boss saw a prototype diesel BMW(maybe) SUV with a supposed 500,k on it driven by some clean cut guys with exterior sensors and what appeared to be a satellite connection on top. It had dual turbos and a ceramic block, I don't remember any other info although Jeff spent his lunch time chatting with them as they were on theirs.

Never heard anything about it in the mags and never bothered to investigate as this was before internet. Didn't even think about it till you just asked about aluminum blocks.