Ferries continue to be a dynamic sector of the workboat industry, with steady passenger growth and innovative design — bigger, faster vessels for major metropolitan markets, and a new wave of hybrid propulsion.
Designers and builders are responding to demand for cleaner-operating vessels, pushed by California air-quality mandates and moves by Washington State Ferries toward developing hybrid and electric power. On the East Coast, ferry operators tend to stick to proven Tier 3 emissions-approved...
https://www.workboat.com/news/passenger-vessels/ferry-fleets-getting-more-efficient-and-green/