Volkswagen unveiled a battery-powered version of its iconic hippie-era Microbus as the carmaker overhauls its North American lineup to move beyond its emissions-cheating scandal. The latest iteration of the van, a concept dubbed the I.D. Buzz, is part of the VW brand’s strategy to deliver one million electric vehicles annually by 2025. Volkswagen’s largest unit plans to start production of zero-emission cars in North America in 2021, with new rollouts that will include of two