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<p>The world's richest man announced his electric car company will build the world's largest electric car factory in the Mexican city of Monterrey, Nuevo Leon, near the Eastern Texas border.</p>
<p>Elon Musk, Tesla's CEO, touted the new plant during an investor day meeting this week where he described the new facility as the largest of the company's manufacturing factories, which already include plants in Fremont, CA; Shanghai, China; Austin, TX; and Berlin, Germany.</p>