Remember the days prior to self-serve? OK, maybe none of you are that old. Well, if the Dutch have their way, we may soon been seeing “Full Serve,” “Self-Serve,” and “Robot Serve” prices at gas stations.Dutch inventors unveiled on Monday a 75,000 euro ($111,100) car-fuelling robot they say is the first of its kind, working by registering the car on arrival at the filling station and matching it to a database of fuel cap designs and fuel types.A robotic arm fitted with multiple sensors extends from a regular