International auto show coverage
Revolutions and angry amphibians: What people are saying about the BMW Concept Z4
BMW aimed for the spotlight in Pebble Beach, Calif., last week with the Concept Z4. The show car previews the next-generation Z4 roadster, which will share a platform co-developed with Toyota Motor Corp. and captures the automaker's new design language. Here's what people are saying about the concept roadster.