Doc’s character represents the —the idea that skill, grit, and integrity should matter more than flashy paint jobs. He hides his trophies in a shed, choosing to work as the town judge and doctor. His refusal to teach McQueen is born of cynicism: "The world doesn't need a Hudson Hornet."
– Lightning McQueen.
And that something, that dusty, rusty, beautiful something, is the real United States of America. Ka-chow. Disney-Pixar Cars -USA-