Cruise & Ferry Review - Autumn/Winter 2026

103 Manta Marine Technologies The FuelOpt system from Manta Marine Technologies is designed to optimise vessel operations and performance, especially when combined with insights from the fleet performance team. Installed on over 500 vessels, FuelOpt optimises fuel efficiency through real-time, automated propulsion adjustments. The EnergyOpt system utilises variable frequency drives for pumps and fans, reducing fuel consumption by lowering their power usage. It continuously monitors operating conditions and automatically adjusts motor speeds to match real-time demand. Tailormade turnkey shore power solutions – available in both high and low voltage – are offered for all vessel types. Manta Marine Technologies’ systems assure regulatory compliance, cut operational costs and reduce emissions from day one, with a favourable return on investment. NAPA Decarbonisation starts with data operators can trust. The NAPA Fleet Intelligence Environmental Module turns real operational data from the ship into reliable environmental key performance indicators (KPIs) across fuel and energy, emissions, waste and water. Everything reaches shore in real time, giving environmental, fuel and energy management, compliance and fleet teams one trusted source of truth for FuelEU Maritime, EU ETS, IMO-DCS reporting, and all other sustainability KPIs. Recorded once and used many times, it cuts the manual admin and the errors that come with re-keying data. Pinfabb Pinfabb’s Poseidon Stabilizer Control System helps vessels reduce fuel consumption and associated carbon dioxide emissions by optimising stabilisers’ performance in real time. The system continuously checks and adjusts fin operation according to sea conditions, vessel speed and motion response, minimising unnecessary fin angles and hydrodynamic drag while maintaining passenger comfort. Compared with legacy control systems, Poseidon improves stabiliser efficiency, reduces power demand and enables more consistent operation across the fleet. In addition, advanced monitoring and diagnostic functions support predictive maintenance, helping operators maintain peak system performance and avoid efficiency losses throughout the vessel lifecycle. Naval Office Naval Office introduces the Circular Powerplant, a novel concept of electricity generation onboard seagoing vessels based on high temperature solid oxide fuel cells powered by methanol. The unique temperature management of the plant increases fuel efficiency to over 84 per cent – more than twice as much as achieved by high-speed diesel generators. This reduces the energy consumption by half which offsets the lower energy density of methanol compared to diesel. The system is designed to deliver 50 per cent carbon savings, with further emission reduction potential via green methanol.

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