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The British Rail Class 600 Breeze was a proposed class of hydrogen fuel cell-powered multiple units that was to have been converted from existing BREL Class 321 electric multiple units. The project commenced in 2018, but was cancelled in 2022 before any conversions took place.
Hydrogen fuel cell powered Mercedes-Benz Citaro at Stratford in 2004. In January 2004, three hydrogen fuel cell powered buses were introduced on route 25 on a two-year trial. [20] [21] These were transferred to route RV1 in September 2004, [22] and were tested in commercial service on the route at peak times only. They were withdrawn in January ...
Hydrogen pipeline transport is a transportation of hydrogen through a pipe as part of the hydrogen infrastructure. Hydrogen pipeline transport is used to connect the point of hydrogen production or delivery of hydrogen with the point of demand, pipeline transport costs are similar to CNG, [9] the technology is proven, [10] however most hydrogen is produced on the place of demand with every 50 ...
The Hydrogen Expedition is currently working to create a hydrogen fuel cell-powered ship and using it to circumnavigate the globe, as a way to demonstrate the capability of hydrogen fuel cells. [134] In August 2021 the UK Government claimed it was the first to have a Hydrogen Strategy and produced a document. [135]
Hydrogen fuel enhancement from electrolysis (using automotive alternators) has been promoted for use with gasoline-powered and diesel trucks, [14] [15] [16] although electrolysis-based designs have repeatedly failed efficiency tests and contradict widely accepted laws of thermodynamics (i.e. conservation of energy). Proponents, who sell the ...
In 2008, The Boeing Fuel Cell Demonstrator achieved straight-level flight on a crewed mission powered by a hydrogen fuel cell. 2008 - Aircraft, Boeing [80] 2015 - Drone, Intelligent Energy, UK tested successfully Drones with Hydrogen fuel cell engine. [81] 2016 - HY4 is the first passenger aircraft in Germany. [82]
They burned kerosene fuel and hydrogen peroxide. Their construction was based on a common combustion chamber design, used either singly or in clusters of up to eight. They were developed by Armstrong Siddeley in Coventry, which later became Bristol Siddeley in 1959, and finally Rolls-Royce in 1966. [9]
If well optimized, slightly higher efficiencies can be achieved. The comparison with a hydrogen fuel cell is interesting. The fuel cell has a high efficiency peak at low load, while at high load the efficiency drops. The hydrogen combustion engine has a peak at high load and can achieve similar efficiency levels as a hydrogen fuel cell. [34]