I loved Richard Scarry books as a child. In the book Cars and Trucks and things that go there was a Doughnut Car. Here it is.
Richard McClure Scarry (June 5, 1919 – April 30, 1994) was an American children's author and illustrator who published over 300 books with total sales of over 100 million worldwide.[1] He is best known for his Best Ever book series that take place primarily in the fictional town of Busytown, "which is populated by friendly and helpful resident [animals...such as] Mr. Frumble, Huckle Cat, Mr. Fixit, Lowly Worm, and others.