The red, white & blue auto

Another Lucy Sprague Mitchell classic about four men. Mr. White, Red, Blue, and Head have car troubles.
The owner of the factory where they work is Mr. Head. He says his car not working is unsatisfactory for the head of a factory.
Mr. Blue blubbers, "Now, I've gone and burned all my rubber."
After all their cars break down, they use the parts of all four to make one workable car which they all ride together in to work.