We all know what the constituent chemicals in water are but did you know that once you split out the hydrogen from the Oxygen you can have a bountiful supply of renewable fuel without any mining or drilling?
Quite a few car makers are launching hydrogen-powered cars but Hydrogen is also a great way to store renewable energy from wind and heaven knows Ireland has plenty of that.
Speaking to Joe this morning wasJorgo Chatzimarkakis the Chief executive of Hydrogen Europe which represents the industry throughout the continent.