The number of new electric nameplates that will launch by decade’s end continues to grow. Each encouraging monthly sales and registration report emboldens an automaker somewhere to revise its EV strategy upwards or push ahead with schedules. The industry knows EVs are coming. And manufacturers everywhere have big long-term production plans for them. About 40 EV models of all types are on the market in the United States, but that number could triple over the next two to three years, according to automaker announcements and production forecasters. General Motors alone has said it expects to have more than 20 available…