(EnergyAsia, Augus23) — Thai state energy company PTT Public Company Limited (PTT) said it and its subsidiaries recorded Bt48.25 billion in first half earnings on total sales revenue of Bt583.62 billion. (US$1=Bt38).   The group realised a Bt7.13 billion gain from the sale its Rayong Refinery Public Company Limited (RRC) shares. PTT bought RRC from…