Why the future of electric cars depends on China’s war on pollution

Woman with smog mask (pic by Nicolò Lazzati on Flickr)Roughly half of everyone alive in the U.S. today has never experienced really bad smog. Those over, say, age 45—big-city residents and Angelenos especially—may recall hazy days in which the sun was barely visible, and air that actually tasted metallic. It's a memorable experience, and it's why the future of electric cars increasingly...