propulsion – Page 3 – Professional Mariner

05 Jun

DNV: Supply issues loom for shippers using biofuels

Rich MillerMaritime NewsClimate change, propulsion

(HOVIK, Norway) — DNV's latest white paper, “Biofuels in Shipping,” finds that the flexibility of biofuels can enable the shipping industry to accelerate its journey toward decarbonization while maintaining operational efficiency. Current limitations in production capacity, however, may impact short-term supply and create stiff competition with other sectors. With the shipping industry getting ready to meet decarbonization requirements, the use…

02 Jun

ABB unveils Dynafin propulsion to boost vessel efficiency

Rich MillerIndustry Newspropulsion

(ZURICH, Switzerland) — ABB has introduced ABB Dynafin, a new concept representing a revolutionary propulsion system for efficiency in the marine industry. Inspired by the dynamic motions of a whale’s tail, the innovative concept is the result of over a decade of research, development and testing. ABB’s combined extensive experience and expertise in the marine industry, along with its innovative…

30 May

WETA completes Bay Area ferry conversion project

Rich MillerMaritime Newsferries, Ports, propulsion

(SAN FRANCISCO) – The San Francisco Bay Area Water Emergency Transportation Authority (WETA) and Bay Area Air Quality Management District (Air District) have announced that WETA’s Gemini Class Clean Air Conversion Project has been completed, resulting in a substantial decrease in air pollution emissions from four San Francisco Bay Ferry vessels serving Oakland, Alameda and Richmond. WETA already operates the…

19 May

Mackinac operator converting ferry to electric power

Rich MillerMaritime NewsClimate change, propulsion, shipbuilding

(MACKINAW CITY, Mich.) — The Mackinac Island Ferry Co. is converting one of its passenger ferries from diesel to electric power, a transition made possible through a grant from the Michigan Department of Environment, Great Lakes and Energy. The conversion is part of the company’s efforts to become more environmentally responsible and become Green Marine certified. The certification means a…

24 Apr

Barge-to-ship methanol bunkering a first for Gulf Coast

Rich MillerMaritime NewsClimate change, propulsion

(HOUSTON) — Proman Stena Bulk, the joint venture between tanker company Stena Bulk and the methanol producer Proman, on Friday announced the successful completion of the first barge-to-ship methanol bunkering on the U.S. Gulf Coast. The tankers Stena Pro Marine and Stena Prosperous were refueled with methanol via barge while discharging clean petroleum products at a terminal in the Port…

19 Apr

Caterpillar, Svitzer sign MOU for dual-fuel methanol engines

Rich MillerIndustry NewsClimate change, propulsion, Tugboats and towing

(HOUSTON) — Caterpillar Marine and Svitzer, a leading global marine operations and towage operator, have signed a memorandum of understanding (MOU) to adopt solutions that enable Svitzer to utilize methanol in its fleet. The implementation of dual-fuel methanol engines focuses on new tugboats as well as conversions of existing Cat-powered tugs, which comprise the majority of Svitzer's fleet. With a…

21 Mar

Matson to convert third containership to run on LNG

Rich MillerMaritime NewsClimate change, LNG, propulsion, shipping

(HONOLULU) — Matson Navigation Co. has confirmed that it will convert the main engine aboard its containership Kaimana Hila from a MAN B&W S90ME-C10.5 unit to a dual-fuel ME-GI unit capable of running on liquefied natural gas (LNG). In doing so, Matson is exercising an option contained in a contract it signed with MAN Energy Solutions in June 2022 to…

15 Mar

Laborde repowers Campbell Transportation with Mitsubishi diesels

Rich MillerIndustry Newsbrownwater, propulsion, Tugboats and towing

(NEW ORLEANS) — Campbell Transportation, one of the largest marine transportation companies in the United States, has completed a major repower, moving away from the 850-horsepower Cummins KTA38 and toward the 850-hp Mitsubishi S12A2 marine diesel engine, provided by Laborde Products. “We have had great success with the Mitsubishi engines and are excited to add a few more to our…

21 Feb

Study links small propeller defects, increased cavitation

Rich MillerMaritime Newsengineering, propulsion, shipbuilding

(OTTAWA, Ontario) — The slightest deviation in the machining, polishing and finishing of ships’ propeller blades could result in underwater radiated noise and cavitation, even if defects are within the maximum tolerance allowed by classification societies and the ISO 484-1 standard. A Canada Transport-funded study on the impact of manufacturing tolerances on propeller performance – carried out by Memorial University…

25 Jan

Grant allows NY Waterway to go hybrid on up to 10 ferries

Rich MillerMaritime Newspropulsion, shipbuilding

(NEW YORK) — A $7.3 million federal transportation grant announced Tuesday will help NY Waterway install the first hybrid engines in its ferry fleet. The grant will be used to repower the propulsion systems on up to four of NY Waterway’s ferry vessels from conventional diesel engines to hybrid technology — and can ultimately help them convert to all-electric. These…