Engineering a convertible isn't an easy task. Chopping the roof off a car adds all kinds of complications from big ones like ...

Porsche has spent decades turning airflow into a design signature, but its latest patents suggest the brand is now just as ...

Sometimes the smallest parts cause the biggest commotion. Take the humble moonroof wind deflector: a thin strip of molded plastic and clips that keep your cabin calm when the roof’s open. Remove it, ...