One of CalMac’s largest ferries, MV Caledonian Isles, which serves the Ardrossan-Arran route, returned to Firth of Clyde sailings last month after being out of action for nearly two years.

Commuter and recreational ferry boats may be seen again on the Merrimack River by next summer now that a Maine-based company has been chosen to build three solar-powered ferries for MeVa Transit, ...