By bne IntelliNews The grocery chain Penny, operated by major German group Rewe, will open the first autonomous store in Romania, which will showcase the company’s latest advances in digital retail technology, in the western part of Bucharest on May 29. The launch takes place just before the Romanian launch of the Polish retailer Zabka, the largest operator of autonomous stores in Europe. “In the first fully autonomous Penny store, you enter, choose the items on the shopping list and pay at the end, without spending time at the cash register. Choose your favourite products from our shelves and…