Veteran lighting expert Shammika “Shammi” Wickramasinghe—before Rivian, he was Jaguar-Land Rover’s lighting strategist—discussed two kinds of homogeneity. First was how a vehicle’s lights look to an observer; Shammi started by pointing out that homogeneity of lights (DRLs and front position lamps; tail and stop lamps…) plays an important part in building and stoking brand image…