Ulstein: Zero-emission SX 190 could sea trial in 2022; IMO panel backs away from ship speed or power limits Posted on November 16, 2019 by admin Ulstein: Zero-emission SX 190 could sea trial in 2022 November 15, 2019 – Using PEM fuel cell technology, would be Ulstein’s first hydrogen powered ship. http://bbn.firetrench.com http://broadlyboatnews.com http://ftnews.firetrench.com