Fans of Tesla have been waiting all year for word on the company’s mass-market electric vehicle: The $35,000 Model 3. Company founder Elon Musk announced — via Tweet, of course — that the Model 3 is on track for production this week, with first deliveries planned for the end of July. About 400,000 people put down a deposit to pre-order one. So does this herald a true turnaround for the large-scale adoption of affordable electric cars? It just might.

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