system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do most big trucks adamantly say "NOT FOR HIRE" (box trucks, U-haul, big rigs etc). Who are these lawless people in the streets attempting to rent trucks at whim?
gpt
DOT regulations have very different requirements for a private vehicle and a for hire vehicle when you get to medium duty and heavy duty vehicles. They are required to display either the commercial DOT licence number, or a large not for hire sign.