Electric cars and an unintended result: is greener making people meaner?

The New York Times had this item you can file under "Unintended Consequences":

     "Of all the states, California has set the most ambitious targets for cutting emissions in coming decades, and an important pillar of its plan to reach those goals is encouraging the spread of electric vehicles.
     But the push to make the state greener is creating an unintended side effect: It is making some people meaner. [emphasis added]
     The bad moods stem from the challenges drivers face finding recharging spots for their battery-powered cars. Unlike gas stations, charging stations are not yet in great supply, and that has led to sharp-elbowed competition. Electric-vehicle owners are unplugging one another’s cars, trading insults, and creating black markets and side deals to trade spots in corporate parking lots."