[Columbus sprays Tallahassee with perfume.]
Tallahassee: It's ok. But FYI, I beat wholesale ass for a lot less than that.
With people around the world turned into zombies, there is no way to maintain power plants, thus no lights should be lit, not to mention the functionality of an amusement park.
The guy at the gas station is also the guy that gets eaten by a zombie whilst on the toliet at the start of the film.