Nov 24 (Reuters) - NextDecade Corp NEXT.O said on Monday it has started the U.S. regulatory pre-filing process to add a sixth liquefaction unit and an extra marine berth at its Rio Grande liquefied natural gas project in Texas.
(Reporting by Yagnoseni Das in Bengaluru; Editing by Sahal Muhammed)
((Yagnoseni.Das@thomsonreuters.com;))