(Energy Asia, February 9) — Prices of liquefied petroleum gas (LPG) in Vietnam are at their highest in 11 years after rising by VND8,000 and 11,000 (US$0.50 to 0.70) per kilogram since the start of the year. The retail price of a 12kg canister now costs between VND176,000 and 178,000 (US$11 to 11.20).             The…