The company launched an upgraded version of its Model Y sports utility vehicle this year, but its overall line-up of cars is still ageing, with no new mass market offering unveiled to date. At the same time, Tesla continues to battle rising competition from traditional automakers as well as aggressive Chinese players. Last week, separate data showed auto giant BYD sold more pure electric cars in Europe than Tesla for the first time. Elon Musk interviews on CNBC from the Tesla Headquarters in Texas. European ...