This info posted by JohnR in the General Forum on 2nd July 2015

Diesel at Ceduna $1.37, Penong $1.37, Boarder Village $1.84, Eucla $1.72, Caiguna $1.84. At Norseman BP $1.45 and Caltex $1.40. We "Free Camped" at Colona Rest Area, Jilah Rockhole, Woorlba Homestead Rest Area which has "NEW" toilets and Dump Point absolutely first class. We purchased 'water' at the Info centre at Norseman for a donation. Go inside and ask the ladies for a key. If you are coming to Perth via Coolgardie stay at Karalee Rock and Dam about 50klm east of Sothern Cross. 5klm of dirt. Flushing toilet, dump point with water and fire drums cement. One of the best I have seen and is maintained by National Parks/friends with dogs allowed.