Seattle-based Elliott Bay Design Group (EBDG) on July 6 announced that its design of a hybrid-electric passenger vehicle ferry for Casco Bay Lines of Portland, Maine will enter the construction phase at Senesco Marine of North Kingstown, Rhode Island. The 164-foot ferry is expected to replace an existing diesel-powered ferry, the Machigonne II, resulting in a reduction of 800 tons of carbon dioxide each year, helping to improve air quality. EBDG has supported Casco Bay Lines since 2018 as it prepared and planned for the replacement ferry, which is to operate between Portland and Peaks Island, Maine. The contract design, according…