This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Pixabay/CC0 Public Domain Tesla Inc.'s core car-making business is facing a deteriorating outlook, providing a major test of Chief Executive Officer Elon Musk's ability to lift the stock price with his vision of a self-driving future. The electric-vehicle maker is expected to post the sharpest drop in revenues in more ...