B..
It's against ordinance here. Several years back, an ice cream man was molesting children, so they shut everyone down in the city. A few weeks back (in the national news), there was several stories of people selling hardcore narcotics from their trucks, and using the ice cream truck as a cover. Yes, they were creepy and gross when I was a kid. All of them. My parents would not let us get ice cream from them, and I'm glad for that. The guy tried to grab one of my friends. He drove away and they never caught him.
We do have a few guys that ride a bike with a cooler and sell Popsicles, but they also have their wives and children with them. And, they live here and everyone knows each other. They are really nice, and it's more of a neighborhood thing. They sell the Popsicles for a dime, so I know they aren't making money. It's more fun for the kids. That, I'm OK with, because the whole neighborhood buys them, and they are never in other neighborhoods, or alone with kids.