The European Union is imposing sharply higher customs duties on electric vehicles imported from China. EVs are the latest flash point in a broader trade dispute over Chinese government subsidies and Beijing’s burgeoning exports of green technology to the 27-nation bloc. The higher duties go into effect on Friday, pending a final decision in four month’s time. Here are some basic facts about the EU’s planned customs duties: What did the European Union do? After an eight-month in...