Even if digital technology continues to make car design less labor-intensive, only clay models finished by human sculptors will help car companies achieve what they're aiming for.

Not long ago, building a car meant starting with clay models, physical prototypes, and months — sometimes years — of test ...

General Motors has unveiled an “advanced design study” of the Corvette concept car that has been developed by the ...

FRANK STEPHENSON:The advantage of clay, it's been around for the whole history of car design, is because you can actually put it on the model, and then if you put too much on, you can take it off ...