In reply to <a href="https://electrek.co/2016/04/26/automakers-fuel-cell-hydrogen-electric-vehicles/#comment-28806">Donna J. Fasanella</a>. So you are going to use solar to create Hydrogen... 1. You now have to transport all those cylinders to another holding tank with Diesel Trucks. 2. You have to create incredibly expensive fuelling stations. 3. Hydrogen is inefficient 4. Terrorists will love Hydrogen. 5. Big oil will switch to Hydrogen and will continue to make billions from us. 6. I'll let others fill in the multitude of reasons why this is a bad idea.