The 2014 Geneva Motor Show is now just a couple of weeks away, and Swiss design and engineering firm Rinspeed has released details on a new concept car it plans to present at its home event. Rinspeed’s new concept, called the XchangE, explores the potential designs an autonomous car could yield, taking a conventional sedan, in this case an all-electric Tesla Model S, and using it to demonstrate all the benefits that a driver could enjoy if the task of driving was no longer required.