Electric cars are showing up at races from mountaintops to drag strips to New York harbor. The cars are quiet—and fast. Yet the series don't seem to have taken race fans by storm. READ THIS: Volkswagen's ID R Pikes Peak race car shows why you should care about electric car racing Two challenges stand out as reasons that electric racing hasn't yet captured the public's imagination. One is that a lot of fans have historically gone to the races to hear the roar of gas engines or to see flames spit from tailpipes. The other is that people buy electric cars today mainly for environmental...