Elon Musk says Tesla will unveil its new big-rig truck in October

Get the Full StoryTeslaTesla CEO Elon Musk just announced that he will unveil his company's first electric semi-truck on October 26 in Hawthorne, California.

"Worth seeing this beast in person. It's unreal," Musk tweeted Wednesday evening.

Tesla first teased images of the truck, seen here, in June. It is rumored to have a working range of 200 to 300 miles, Reuters reported last month, calling it a sign that Tesla was specifically targeting the regional trucking market.

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