 Complete the following phrase:  The 201718 FIA Formula E Championship known for commercial reasons as the 201718 ABB FIA Formula E Championship was the fourth season of the Fédération Internationale de lAutomobile FIA Formula E motor racing. It featured the 201718 ABB FIA Formula E Championship, a motor racing championship for open-wheel electric racing cars, recognised by FIA, the sports governing body, as the highest class of competition for electrically powered vehicles. Twenty drivers representing ten teams contested twelve ePrix, which started in 