Tesla Motors company changed its name and is now called simply Tesla. At the same time, official statements, company management has not yet made, but experts believe that rebranding is that in Tesla today are developing not only cars, but also actively expanding to other markets — such as batteries and solar panels (for these purposes, was acquired by SolarCity).
By the way, the web address of the website of the company changed from teslamotors.com on tesla.com in the last year.