HANOI – The U.S. energy firm AES and PetroVietnam plan to soon sign an agreement on a $2.8 billion liquefied natural gas project, U.S. Secretary of State Mike Pompeo said Wednesday. Pompeo made the comments in pre-recorded remarks to a business conference hosted both online and in person in Hanoi, the Vietnamese capital. Later Wednesday, the State Department announced that Pompeo had added a stop in Vietnam to his Asia tour this week. Pompeo said Vietnam has approved the project, and that it would “open the door to billions of dollars per year in U.S. LNG exports to Vietnam. Delta Offshore Energy and a consortium that includes Bechtel Infrastructure, GE Power and other companies also recently announced plans for a $4 billion LNG to power project in southern Vietnam's Bac Lieu province.