Can't hydrogen be ignored?

The author gives an overview of the hydrogen and fuel cell sector (investments, important programs in Germany, European Union plan, involvement of various actors in France), evokes the different industrial opportunities for this use of hydrogen, outlines its benefit in terms of CO2 emissions in comparison with biofuels and synthetic fuels, evokes the possibilities of hydrogen production without CO2 emissions, discusses the various uses of fuel cells (in housing, in some transports vehicles, and in the car industry where prospects are very interesting)