Five global tech startups are taking part in Washington Maritime Blue’s One Ocean Innovation Accelerator program, which mentors maritime-focused companies and helps them scale their business model for the U.S. market. Announced in April, the firms include battery and systems manufacturer CTNS as well as Conbo.ai, a company that creates computer vision software for marine terminal operations. Also included: Hiili, which develops shipboard-based carbon capture technology, Watchit, which creates software that improves navigation and collision avoidance and Zeabuz/Future Marine, which provides autonomous water-taxi software and operations, according to Maritime Blue. The startups are expected to participate in eight weeks of…