Marine

Dossier

BB Green ferry

Rory Jackson looks at the development of this battery-powered ferry, which is aimed at shuttling workers to and from work. As more and more people find work in the major urban centres of the world, traffic congestion continues to worsen. While road networks struggle to cope with an ever-growing number of commuters, levels of driver stress and greenhouse gas...

Deep Insight

Hydrogen

Nick Flaherty highlights some of the inroads developers are making into rolling out a range of hydrogen-powered vehicles. Many of the engineering challenges with converting hydrogen to electricity to drive a motor in a vehicle have been addressed over the past decade through the development...

In Operation

E-Kotug tugboat

A desire to cut maintenance costs prompted the development of this hybrid version of an existing tugboat. Rory Jackson reports. The E-Kotug is a diesel-electric tugboat owned and operated by international towage services provider Kotug Smit Towage. It is a hybrid-powered version of the Dutch company’s dieselpowered Rotortug design, which features three 360°...

Grid

R-R saves battery life at sea

In the course of developing electric propulsion systems for a range of marine vehicles, Rolls-Royce has produced a new lithium-ion energy storage system called SAVe Energy (writes Rory Jackson). It was in development for 18 months before commencing certification by...

Show Report

Electric & Hybrid Marine World Expo 2018

Rory Jackson reports on some of the latest developments in maritime propulsion technology that were on show at this pre-eminent exhibition. Taking place in the RAI Amsterdam Convention Centre, the Electric & Hybrid Marine World Expo is the largest aquatic propulsion trade show in the world. This year’s event was the biggest yet...

Dossier

Volabo ISCAD motor

Lawrence Butcher talks to two of Volabo’s founders about their concept for a traction motor that runs off a mere 48 V. t is generally accepted that in order to use an electric traction motor in a vehicle, where a relatively high power output is...