Tesla teases new Model Y car as cheaper Model 3 nears production
Chief executive Elon Musk shows off image of new car and semi-truck, and gets ready for mass-market electric vehicles
Chief executive Elon Musk shows off image of new car and semi-truck, and gets ready for mass-market electric vehicles
After unveiling the luxury Model X, Elon Musk’s company has a big challenge ahead as it aims for a bigger audience with its Model 3, promised for 2017