Hydrogen gas: it’s storable, can refuel a car in minutes (versus batteries which can take hours to recharge), and its waste product is water. It is the holy grail of clean-energy advocates.
The only problem is that the electrolyzers that make hydrogen from renewable energy are quite expensive. But, that soon may change, according to Ars Technica.
According to a new paper in Nature Energy, researchers from universities in Germany and at Stanford University have created a financial model for a wind farm connected to a hydrogen electrolyzer. (more…)