Calgary just approved food trucks last year, and they're a smashing success. We started out with five of different food choices, and I believe there's eight now.
There's even a site to track them, and each of the trucks can be followed on Twitter.
For San Diego, CA (in general - not knowing your exact address): Your Representative in the United States House of Representatives, representing the 49th Congressional District of California: Honorable Susan A. Davis (D-CA)