The maker of PlugShare is determined to satisfy your EV needs with a new app that'll feed the data from your Leaf or Volt straight to your iOS device. GreenCharge monitors your battery data, charging speed, efficiency of recent journeys and environmental impact and keeps it to hand in handy graphical form. You can chart your price-per-mile (compared to using petrol) and monitor your environmental impact -- sending all this data to your friends over Facebook or Twitter. If you're considering droppi
