GM and Lyft on-demand autonomous taxi service could start next year

General Motors Company [NYSE:GM] has been spending up big in preparation for the arrival of fully autonomous cars. First it invested $500 million in ride-sharing business Lyft, and just a few months later it paid $1 billion to acquire autonomous car technology firm Cruise Automation. The end goal is to create an on-demand autonomous taxi service... GM and Lyft on-demand autonomous taxi service could start next year