A joint agreement between manufacturers of portable fuel cell systems announced in the past week should herald significant advances in the technology. Millennium Cell and The Dow Chemical Company have agreed to collaborate on the development and commercialisation of the systems for

The UK has largely dismissed a report from the world’s biggest wind power producer, which calls wind farms expensive and inefficient. The report from the German Energy Agency says it will cost Germany around 1.1bn euros (£700m) to connect its wind farms