The Green Palms may be based on the real-life Eagle Springs Oil Refinery in Nevada. There has been much speculation surrounding Green Palms after the The Truth, in a mission, says that "... and the only reason we've been in a cold war for the past forty five years was because snake-headed aliens run the oil business"; however, this is most likely pure speculation. This may be a reference to the TV series The X-Files, where a sentient alien virus that looked a lot like oil could infiltrate human beings and take control of their bodies.