According to the article 'Save and prosper' (
Production Engineering, 15 September) 'the use of digital automation is claimed to boost the efficiency of coal-based electricity generation by more than 50 per cent.'
I think that someone is pulling our legs somewhere. I suspect that what the writer meant to say was that the use of ultra-supercritical steam conditions can boost efficiency of coal-based electricity generation by more than 50 per cent.
Alain Foote
Alstom, Rugby
Massive new Coventry campus targets 60GWh battery output
Where will all the raw materials come from for the manufacturing process? How will they be transported to the factory and what is going to be done with the various scrap and residues?