https://www.offshore-energy.biz/usa-scod-presents-first-leap-to-zero-greenline-ferry/
https://www.offshore-energy.biz/usa-scod-presents-first-leap-to-zero-greenline-ferry/
https://www.greenlaunches.com/transport/hybrid-leap-to-zero-greenline-ferry-uses-solar-and-wind-energy-to-power-up.php
https://shipandbunker.com/news/world/525130-high-tech-ferry-reduces-fuel-consumption-by-50-to-100
https://www.motorship.com/excursion-vessel-concept-claims-zero-carbon-emissions/413812.article