Wheels: Anthony Haines looks toward the imminent arrival of the electric car with enthusiasm and apprehension. Why? As chief executive of Toronto Hydro, he has to run the wires that, in a few years, will charge up the batteries of thousands of cars across the city. And he knows that right now, he can’t do it. “If you connect about 10 per cent of the homes on any given street with an electric car, the electricity system fails,” Haines told an audience at Ryerson University …