That's the X-Wave which is a commercial product and requires a LOT of labor and re-engineering to complete. That being said, it's a very neat product! I've seen one in person and it's extremely cool!there are quite a few people that use use wheel chairs and drive the element.
i think the ones i knew about had the drivers seat removed and they drove from the wheelchair, there is a mod to lock it down.
i believe the floor was lowered to make the necessary room, so not a diy job.