There was a vox article 6 months ago that didn't generate much discussion that has a little more context, and a video rendering of the larger scale storage syst

There was a vox article 6 months ago that didn't generate much discussion that has a little more context, and a video rendering of the larger scale storage system: http://www.vox.com/2016/4/28/11524958/energy-storage-rail http://www.vox.com/2016/4/28/11524958/energy-storage-rail