The electric movement is still well underway, and for companies like NRG Energy, it takes a huge investment to make sure that it sticks around. Teaming up with Walgreens may seem like an unorthodox move to some, but apparently NRG Energy believes that choosing 18 locations across Houston and Harris County in Texas is a safe bet for seeing some return on their investment. The eVgo Network, from NRG Energy, is one of the first commercial electric-vehicle-charging networks in the United States, and they will initially feature over 100 charging stations throughout the US. The total investment from the company...