Can you describe the "fix"? US shippers would rather pay for trucking, rail, pipelines, or air freight rather than pay through the nose for US-built marine vess

Can you describe the "fix"? US shippers would rather pay for trucking, rail, pipelines, or air freight rather than pay through the nose for US-built marine vessels. This is a consequence of math. The economics just don't make sense. I'm not sure what you can do to "fix it".