Tesla has unveiled its highly anticipated Model 3 electric car. Customers have been looking forward to a lower-cost way to buy one of the California-based company's products, while investors hope it will swing the company from loss to profit. But other more established automakers are launching electric vehicles of their own targeted at the same market. Subscribe to BBC News HERE http://bit.ly/1rbfUog Check out our website: http://www.bbc.com/news Facebook: http://www.facebook.com/bbcworldnews Twitter: http://www.twitter.com/bbcworld Instagram: http://instagram.com/bbcnews