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Prototype hydrogen-fuelcell-powered buses are now running on trials in the USA and becoming available in Germany so it is now likely that these buses will start to be introduced into general service within the next 5 years in the UK. For true zero- emissions these buses will eventually have to use hydrogen fuel made from renewable sources of energy. If the economics are competitive with other storage systems then the hydrogen could be in liquid form and so create a large new market for cryogenic hydrogen and all the associated cryogenic technology for storage and handling. A full size hydrogen-fuelcell bus with regenerative braking operating on stop-start inner-city services would use about 1.20kg (7.0 litres) of liquid hydrogen per hour. Assuming the bus operates for 16 hours per day for 365 days per year it will require 7,000 kg (100,000 litres) of liquid hydrogen per year. To help visualise this quantity, a typical large road tanker used today to deliver petrol / diesel has a capacity of 30,000 litres. Liquid hydrogen road tankers will have a similar capacity. In due course there could be 1,000s of hydrogen buses operating in all our cities and so the demand for liquid hydrogen becomes tens of thousands of tons (100s of millions of litres). If you are interested in joining a liquid hydrogen study group then please register your details on the form below: |
None of your registered details will be made public nor given to any other party.
The names of members of the group will only be published if a member publishes articles or takes part in onsite discussions and chooses to give his/her details.
If you submit an article for posting on the site please state if you wish to retain the copyright. To do this we will have to publish your name with the article. Maintaining your copyright will be your responsibility.
Articles without names will be published under the editor's name and the copyright will be with Peter Chambers. All members who have registered will receive by email summaries of the group's activities on and offsite so please include your email address in your details.
Material should be submitted to the site by email to LH2@hydrogen.co.uk
Please state your contact details, if any, that you want published with your article.
More detailed information about hydrogen as a fuel for buses and cars can be found in the hydrogen section of the site.
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Published by
THE BRITISH CRYOENGINEERING SOCIETY
for the guidance of all persons engaged in the production or handling of cryogenic fluids whether on an industrial scale, in research establishments or laboratories.
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