Used this supplement with our game when the crew, who was from Hillview encountered their doppelgängers from the Bay! It's a great zine that really captures the actual Bay Area, in a Slugblaster way.
The crew in our game had to help their doppelgängers get home. Once they were there they accidentally created an evil twin of a taco truck. They managed to tame it and drive the taco truck home to Hillview. When they crossed back the track had an extradimensional burrito tunnel which they could bring tacos to and burritos to Hillview!