But it is a tough business. Last month CarCharging bought the Blink networkâs 12,450 chargers because its owner, Ecotality, had gone bankrupt despite $114.8 million from the Energy Department to help build the network. (Blink had trouble keeping its chargers in good repair. <http://www.nytimes.com/2013/11/13/b...-cars-give-rise-to-a-recharging-industry.html> did this enterprise have minority group shareholders in high positions?