4/10 Tesla Roadster 2 is shown in this undated handout photo, during a presentation in Hawthorne, California. (REUTERS)
5/10 Tesla's new Roadster has a top speed of 250mph. (REUTERS)
6/10 Tesla's new Roadster is unveiled during a presentation in Hawthorne, California, US. (REUTERS)
7/10 Tesla's new electric semi truck is unveiled during a presentation in Hawthorne, California, US. (REUTERS)
8/10 The Tesla Semi, the company's electric big-rig truck can go from zero to 60 mph in 5 seconds without a trailer, and in 20 seconds when carrying a maximum load of 80,000 pounds, less than a third of the time required for a diesel truck. (REUTERS)
9/10 The truck has Tesla’s latest semi-autonomous driving system, designed to keep a vehicle in its lane without drifting, change lanes on command, and transition from one freeway to another with no human intervention. (REUTERS)
10/10 Tesla's new electric semi truck is unveiled during a presentation in Hawthorne, California, US. (REUTERS)