You have to be in real time mode to use this. when you get enough oil stored just send a tanker to one of the places and then hit escape and go to the options menu and your tankers will still be moving but time will stop so no days go by.
GamesRadar is the premiere source for everything that matters in the world of video games. Casual or core, console or handheld - whatever systems you own or whatever genres you love, GamesRadar is there to filter out what's worth your time and to help you get even more from your games. We deliver the best advice, the most in-depth features, expert reviews, and the essential guides for all the top games.