(EnergyAsia, September 29, Tuesday) — Asia’s largest oil and gas producer, PetroChina, plans to build a RMB40 billion oil refinery in Shangqui in central Henan province in China. (US$1=RMB6.83). The company will commission an environmental evaluation for the project for the approval of the National Development and Reform Commission, the state planning agency. The 10-millionnes-per-year…