In the world of electric vehicles, Tesla gets most of the love. Over 100,000 of Elon Musk’s big, bad autos are zooming around the world, gasoline-free. But how many of those can claim to take an additional 40-odd cars off the road—each? That’s the promise of the Catalyst E2 Series, a new electric bus debuting today that’s aimed squarely at city public transit. The bus from Proterra, a leading North American manufacturer, is set to hit…