Different versions of the Alaska LNG project have been discussed in Alaska for decades, and there are longstanding questions about how it would pencil out.

President Donald Trump said this week that Japan and South Korea were looking to work with the United States on a "gigantic" natural gas pipeline in Alaska.

Alaska political leaders on Wednesday broadly welcomed President Donald Trump’s remarks to Congress talking up the prospects of the state’s long-sought but faltering natural gas pipeline. In his speech to a joint session of Congress on Tuesday night, the president said, “It will be truly spectacular. It’s all set to go.”