That's probably the coolest factory I've ever seen. Amazing that it uses light rail, which many of us think creates great urban environments, to deliver parts to a factory to create cars, which many of us think destroys great urban environments.
On street LRT is a neat take on the ol' freight car to the back of factory delivery systems of days gone by. I think this type of delivery could be economical to some degree, but only with an extremely developed freight rail system to move the loads into place efficiently. Also, it this wasn't a central city showpiece factory, with strong local pressure to not have trucks, most likely trucks would be delivering these parts to the factory door.
Again, awesome factory.
So, all we have to do is put back in all the streetcar and heavy rail tracks we've ripped up over the last century around Vancouver, and voila, instant showpiece VW factory! Prost.