Supply chain constraints — including those related to semiconductors — have proven to be a major challenge for automakers in recent times. “We’re trying to keep delivery times short,” VW CEO Herbert Diess tells CNBC, “but we have a lead time of a year or so currently, so we are ramping up production.” German automotive giant’s focus on electric vehicles is a world away from the “dieselgate” scandal that rocked it in the 2010s.