Volvo design chief Thomas Ingenlath has been turning heads and winning awards since joining the Swedish automaker from Volkswagen Group 20 months ago. There is a good chance the hot streak will continue at the Geneva auto show.The Volvo Estate Concept is a sleek and striking representation of what the brand’s future station wagons will look like. It also has a sophisticated but simple interior where most buttons have been replaced by a tablet-sized touchscreen in the center console.