Vietnam's Ministry of Industry and Trade says one month of nationwide E10 gasoline use is not enough to determine whether the biofuel has improved air quality, despite early signs of lower emissions.

The corporation recently signed a contract with Petrovietnam Power Corporation (PV Power) to provide LNG power for the commercial operations of Nhon Trach 3 and 4 thermal power plants, which PV Power manages, for 25 years.