There was a time not long ago when Hydrogen was seen as the great and cheap hope for renewable energy.  A fuel that is bountiful and emits only water.  But the  S&P Kensho Hydrogen Economy Index which measures companies that focus on Hydrogen fell to an all time low over the summer amid fears of a recession. 

Will things might get even worse for those in the Hydrogen space? Joe asked Paul McCormack the Chief Executive of Hydrogen Ireland.