Apple could easily turn this into a multibillion-dollar business with a OBD car version alone, they could be built into bike battery packs and even into every electrical device where knowing its location would be interesting information to the manufacturer. Theft protection for traffic material, why not in washing machines, 8K-players and TV's? 
If Apple would do that is another question but it sure is a big market and it will surely happen anyway.
If Apple would do that is another question but it sure is a big market and it will surely happen anyway.