The witnesses include experts from the Institution of Engineering and Technology, the UK Energy Research Centre, and the Combined Heat and Power Association.

BBC: Week ahead

Rob Gross from Imperial College London, head of policy and technology assessment at the UK Energy Research Centre (UKERC), believes Inenco is presenting a worst-case scenario.

BBC: RELATED BBC SITES

Prof John Loughhead, executive director of the UK Energy Research Centre, said the study was "a very interesting step, and could lead us to much easier and better performance systems for... storage and transport".

BBC: Hydrogen's energy promise improves