NEW YORK, Dec. 2, 2015 /PRNewswire/ — In 2014, the global electric vehicle sales volume reached 329,800 units, up 51.8% from a year earlier, including 115,500 plug-in hybrid electric vehicles and 214,300 battery electric vehicles. In the first half of 2015, this figure amounted to 204,300 units. Affected by lower oil prices, the sales volume of…