GRÜNHEIDE, Germany — The vast pale gray factory with its own exit on the autobahn, surrounded by a pine forest east of Berlin, was supposed to be producing shiny new Teslas by now. Instead it has become a manifestation of what happens when Silicon Valley ambition collides with German procedure.The $7 billion factory, which will supply the fast-growing European market for electric cars, is at least six months behind schedule, according to local officials. And Tesla may be even further away from producing cars in Germany because construction has only just begun on an adjacent factory that will supply batteries. …
