(EnergyAsia, May 29) — Two Japanese companies said they have teamed up to land a 15-billion-yen contract to upgrade a 1.4 million tons/year liquefied petroleum gas in Algeria. (US$1=110 yen).   Engineering firm Ishikawajima-Harima Heavy Industries Co (IHI) and trading house Itochu Corp will work to improve the facility in the industrial zone in Arzew…