Because hydrogen made through electrolysis takes a huge amount more energy than you get out of the resulting hydrogen. This makes it quite expensive.
Also the fact that they always say hydrogen can be green (which is true), but 95% of the hydrogen we have is made from natural gas which releases all the carbon.
Lurk3rAtTheThreshold t1_j1fgkfc wrote
Reply to comment by eat_more_ovaltine in Exxon’s bad reputation got in the way of its industry-wide carbon capture proposal by Sorin61
Because hydrogen made through electrolysis takes a huge amount more energy than you get out of the resulting hydrogen. This makes it quite expensive.
Also the fact that they always say hydrogen can be green (which is true), but 95% of the hydrogen we have is made from natural gas which releases all the carbon.