General Motors is the latest automaker that is preparing for an emissions-free future. Today at GM's technical center in Warren, MI, the company announced plans to introduce 20 electric and hydrogen vehicles by 2023. The first two models of this plan will launch in the next 18 months and will be "based off learnings" from the Chevrolet Bolt. “General Motors believes in an all-electric future. Although that future won't happen overnight, GM is committed to driving increased usage and acceptan