Car looks like the Hyundai N Vision 74 prototype, a hydrogen fuel cell electric car (or fuel cell electric vehicle, FCEV). https://www.hyundai-n.com/en/models/rolling-lab/n-vision-74.do
Allegedly, Hyundai was going to build the car. Unfortunately, with limited hydrogen infrastructure in much of the world, it was doubtful and that idea has, again allegedly, been canceled.