THE whizzy gadgets for geeks to goggle at during CES, an annual consumer-electronics show in Las Vegas, have typically been small enough to pick up. But they have been joined in recent years by an increasing number of cars. The Detroit motor show, America’s biggest and glitziest, starts later this month, but many in the car industry now regard CES, which opened on January 5th, as a more important event. Mary Barra, GM’s boss, unveiled a new production version of its Bolt electric car at Las Vegas this week.   Continue reading →