[disclaimer, I work at one or more of the places commercializing these systems] http://en.wikipedia.org/wiki/Flow_battery http://en.wikipedia.org/wiki/Flow_bat

[disclaimer, I work at one or more of the places commercializing these systems] http://en.wikipedia.org/wiki/Flow_battery http://en.wikipedia.org/wiki/Flow_battery http://www.ted.com/talks/donald_sadoway_the_missing_link_to_renewable_energy.html http://www.ted.com/talks/donald_sadoway_the_missing_link_to_... http://en.wikipedia.org/wiki/Sodium-ion_battery http://en.wikipedia.org/wiki/Sodium-ion_battery http://en.wikipedia.org/wiki/Sodium-sulfur_battery http://en.wikipedia.org/wiki/Sodium-sulfur_battery Seeing how much progress is being made extremely rapidly on getting these types of technologies into the marketplace, the idea that the last five years have been stagnant is difficult to believe. Unless, of course, all battery research was stagnant under Bush? I suppose that's possible, and what we've seen is the standard 5-10 year research backlog starting to catch back up to a lack of funding for oil alternatives.