More and more, as I review new vehicles, and they need fuel, I open the gas tank flap all set to unscrew the gas cap, but there is not one there. There is a small trap door, that you can't push in ...

I stopped traffic — not in a good way — the first time I had to refuel a car with Ford's nifty new capless gas filler. The ensuing traffic backup was because of my ineptitude rather than any problem ...