(EnergyAsia, July 4) — Caltex Australia Limited said it expects an-after tax profit in the range of A$160 million to A$170 million on a replacement cost of sales operating profit (RCOP) basis for the first half of 2006. (US$1=A$1.36). This compares with A$149.6 million (excluding significant items) for the first half of 2005. These figures…