Break out the acai berry juice — there’s another futuristic transportation vision emerging from the fevered mind of Tesla CEO Elon Musk.

During a TED talk in Vancouver on Friday, Musk teased an image of his company’s upcoming electric big rig. The vehicle, scheduled for a September reveal, isn’t the only truck bound for Tesla showrooms — the automaker expects to debut a pickup in the next 18 to 24 months.

While we’ve known about the impending semi truck for some time, Musk also choose Friday to drop a video showing what he feels is the Next Big Thing in efficient transportation: underground electric sleds for your car. (Read More…)