to certify the range estimate independently, and those extra miles mean there are some compromises with a top speed of only around 87mph. not that you should be driving any faster anyway! this particular model won't be going on sale, but mercedes say that many of the features are going to be added to their future evs from 2024 or 2025. meanwhile, here's something that caused its fair share of attention. this bmw changes colour! it's a colour—changing car! and to do so, 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, from the kindles, it's very low energy, it's sunlight readable and it's just colour change, there's no light, there's no leds, there's no backlight there's no oleds, it isjust colour change. so you just need a little bit of energy to change colour