Zeiton-7

Zeiton-7 was a rare fuel which is used by the TARDIS. It used to generate orbital energy, which allowed [the ship to move. It can be also used for fuel by other space-time vessels. It was generally found on Varos, though Galatron Mining Corporation had also found traces of Zeiton-7 on an asteroid. (DW: Vengeance on Varos) Zeiton 7 could also be used to form part of a cold fusion generator. (NA: Lucifer Rising)