Each of concrete, steel, traffic will double our energy consumption. So if you want to do those from renewables, we will need to quadruple production, yet we st

Each of concrete, steel, traffic will double our energy consumption. So if you want to do those from renewables, we will need to quadruple production, yet we struggle with providing even the current level of electricity from renewables. Green steel, concrete or traffic from hydrogen is a far-out pipedream for quite some time.