Tesla Inc.'s [s:tsla] Model 3 electric car should begin production on Friday, the company's chief executive, Elon Musk, said Monday. In a series of posts to Twitter, Musk said the $35,000 vehicle has "passed all regulatory requirements for production two weeks ahead of schedule," and that 30 cars should go to owners by July 28. In August, the production total should be 100, rising to 1,500 in September. Musk said he expects the production rate to be 20,000 per month by December. The Model 3 is part of Musk's strategy to boost production next year to 500,000 from about 84,000 last year.via