If you ask someone which company makes the most tires, they’re likely going to answer Goodyear or Firestone. Goodyear does have one Guinness World Record, although it’s for fuel economy. But, the company that produces the most tires is LEGO.
If you like this “secret” you’ll like others that Chad Upton writes about on his site as the editor of Broken Secrets. He describes his site as being, “all about things you probably don’t know but might find entertaining or useful. Generally, the “secrets” are not things you shouldn’t know; more likely, they’re just interesting things you don’t know yet.”
This is an excellent non-fiction reading resource particularly interesting to boys.