WELL, THIS IS COOL: Volkswagen will build diesel version of Passat replacement in Tennessee. I liked my Passat wagon a lot, and a diesel version would provide superb mileage in a vehicle that can hold nearly as much as most SUVs. On the other hand, although I didn’t have too many problems with my Passat, a couple of my friends had miserable experiences, so VW had better work on the reliability, as well as the fuel economy.