Filed under: EV/Plug-in, Hybrid, Chevrolet, GM, Green Daily 2011 Chevy Volt - Click above for high-res image galleryGM has already warned us that the Volt will be in short supply at launch. But that isn't stopping Bob Lutz, GM's vice chairman in charge of marketing, from going out an talking about how popular the car - due next year - already is. Lutz told Automotive News (subs req'd) that the promotional efforts GM has laid on thick are working. Once the car is further along the...