- Forbes: Why Hydrogen, Why Now? Because Climate, Economy And Finance Say So. "Simply, it can do things electrons cannot. As a molecule, it can be used as a convertible ‘currency’ between renewable energy, chemical feedstock, transport fuel, residential and industrial heat." https://www.forbes.com/sites/davidhart/2020/06/08/why-hydrogen-why-now-because-climate-economy-and-finance-say-so/ 43 comments energy