Carcer Gas

Carcer Gas (also written as Carcer Gas!) is a brand of propane implied to be from Carcer City. It is sold in 15-kg tanks, and appears in various places around the state of San Andreas:
 * Tosser Gas Station, Montgomery, Red County (explodes when shot)
 * A trailer park in Flint Intersection, Flint County (explodes when shot)
 * At the back of some Waltons driving around the state (does not explode when shot)