The BB Green prototype was an EU funded development project that resulted in the realisation of the BB Green vessel called "AiriEl" that runs on an air cushion and uses 40 % less power than a traditional high-speed catamaran, BB stands for Battery Boat.
The BB Green prototype was ment to bring 80 passengers into the city at 28 knots while making limited wake wash. The idea was to see if it was possible to make an electric ferry combined with an energy efficient hull and to understand its performance.
Being emission free will be an absolute must in most cities in the near future and light-weight high-speed electric or hydrogen passenger ferries with energy efficient hulls will change the game when operating with much les energy cost than traditional diesel driven ferries.
In 2012, the project BB Green started with a 3.2 M€ funding from the FP7 EU Programme. The challenge was to develop and build a battery driven and energy efficient vessel. The vessel was built by Latitude Yachts in Riga. The electric driveline was designed by Echandia Marine in Sweden and the LTO batteries were supplied by Leclanché. The Carbon fibre technology came from DIAB. In May 2016, the vessel was ready for launching
Meanwhile, EU had decided to support the following development into a standardized product through the Horizon 2020 Programme. Horizon 2020 allowed us to further test and improve the prototype that was officially launched in Stockholm in September 2016.
AiriEl is the name of the prototype which is being used as a demo vessel. Leaving Riga in September 2016, the tour went to Stockholm for launching. Then through Göta Canal to Gothenburg, continuing to Sandefjord, Norway where the vessel is currently moored.
AiriEl has been used primarily for testing and trials but many potential customers has gone for a ride and experienced its soft yet train-like ride comfort.
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Green City Ferries AB
Stockholm - Sweden
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