(Cross-posted to The Avenue at tnr.com and UpFront Blog at brookings.edu.) The New York Times recently reported that in Hamamatsu, the heart of Japan’s auto parts-making region, people are worried about what they call “electric vehicle shock.” Their concern is that if electric cars begin to replace gasoline-powered cars in large numbers, they could put the makers of such components as exhaust pipes and spark plugs out of business--and deliver a fatal shock to the region’s auto parts manufacturing...