It was with dismay that I read the closing comment of your article
'Liquid asset'on the potential for hydrazine as a fuel cell energy resource (News, 14 January).
Acta chief executive Toby Woolrych claimed: 'So it really is zero-emission motoring'.
This is precisely the type of misinformation
The Engineeris usually so good at spotting and educating its readers to watch out for.
Surely fuel cells can only be truly zero-emission if their fuel and the fuel cell were made without any emissions in the first place, which is not generally the case (yet)?
Cells may, however, be 'zero-emission' at the point of use. this should be good for inner cities and busy motorways, but we must not allow lobbyists from the fuel-cell industry to con us all into believing fuel cells are an environmental panacea, or from using reputable media sources to endorse their views.
Jarrod Hart
Truro, Cornwall
Plasma technique converts landfill methane to jet fuel
Trevor; there are still many landfill sites in the UK where the methane is not captured but not only that, where there is protein waste in them, they...