Tesla's semi truck may prove to be a huge money maker

It's no secret that Tesla over the past few months has been working furiously to finish up work on a fully electric semi-truck. Just a few weeks ago, Elon Musk tweeted that Tesla is tentatively planning to hold an official unveiling event for the vehicle on October 26. But why wait three more weeks when you can check out Tesla's latest EV right now? Earlier today, a photo purporting to show a Tesla semi-truck in transit mysteriously appeared on Reddit. While it remains unclear if the photo is au...