|Name Hydrogen Challenger|
Length 66 m
Hydrogen Challenger is a 66-metre (216' 6") refitted coastal tanker for mobile hydrogen production, it is fitted with a vertical axis wind turbine that generates electricity for the electrolysis of water to fill the hydrogen storage tanks. The total storage and transportation capacity is 1,194 m³ (42,000 ft3), it is stationed in the German Bight or near Helgoland (where the most wind is) and docks in Bremerhaven where the produced hydrogen is delivered to the market.
The conversion scheme was completed by the end of 2004.