Elon Musk unveils surprising ‘Robovan’ at eye-catching Tesla event, saying humanoid Optimus robots will cost less than a car

Elon Musk unveiled three new high-tech products from Tesla on Thursday evening at a highly anticipated event in California – including, surprisingly, an autonomous people transporter. Musk rode onto the stage in the long-awaited driverless “Cybercab” that Tesla was scheduled…