it uses e—ink, the same as an e—reader. we have here is the world's first real colour—changing car. the technology e—ink is amazing. we know it from the e—readers and kindles, it's very low energy, it's sunlight readable and it'sjust colour change, there's no light or led backlight or overlaid, it is just colour change. so you just need a little bit of energy to change, and absolutely no energy to hold it. so it is stable and, as an engineer, that is a wonderful property to have. the driver can manually choose to change colour or you can do it via the sensors that are embedded in the vehicle so you can have a temperature sensor, but when it is hot, the car will be white, when it is cold, it will be black, or you can have a light sensor which changes colour at night time. why would anyone want to colour change they car? our final car is one that wants