ok the link below will show an article about how la has switched all their lights to LED lights. LED lights are the light bulb that saves the most energy. By having La start to save more energy from their LED, as well as saving more money they've started to build charging stations for electric cars to start charging the cars. Its estimated to build 100 charging stations all around la.
htpp://m.huffpost.com/us/entry/10360394
htpp://m.huffpost.com/us/entry/10360394