The hydrogen economy can be a value creator for decades. Choosing the right hydrogen stocks to buy and holding with patience is the key to making millions from the hydrogen investment theme.It’s worth noting that global hydrogen consumption is already around 90 million tons per annum. However, “nearly all the hydrogen consumed today is grey hydrogen.” This will change in the coming decades, with clean hydrogen replacing grey hydrogen.A McKinsey report indicates that 2050 clean hydrogen demand could account ...