Estonian startup Elmo is currently demonstrating a unique and surprising technology: a remote-controlled car. With this technology, Elmo aims to reinvent the car rental service. In the future there will no longer be any need to go pick up the car you have rented. Instead the car will come to you, alone, without a driver on board. Elmo Rent, which specializes in electric car sharing, has unveiled a highly innovative concept with a car that can be remotely controlled over a long distance, thanks in particular to 4G. In fact, the startup hopes to be able to one day provide a fleet of driverless c…