Alright, I found a Golf TDI with what I think of as higher mileage. But, I'm not sure how long these things run. I really could use some info from TDI owners.
2001 VW TDI Golf
I also stumbled across a veggie Jetta, but I know nothing of the Elsbett kit.
2000 VW Jetta with Elsbett kit -- veggie oil $7500