Our goal for this summer was to get out of the city and into nature more often. We thought that a car might help us with that, but we weren’t sure. To find out, we rented a car for about five months. A couple of weeks ago we returned the car, thereby concluding our little experiment. Here’s what we learned: The good: Long road trips: the car enabled us to travel for over a month, driving all the way from Berlin down to the Alps and back again in a big circle, giving us several days in each of a...