LOS ANGELES (Reuters) - Tesla Motors Inc <TSLA.O> shareholders voted "overwhelmingly" in favor of acquiring SolarCity Corp <SCTY.O> on Thursday, handing a victory to Chief Executive Elon Musk as he tries to create a carbon-free energy and transportation company.

The company's special meeting of stockholders was broadcast live on the Internet.

(Reporting by Alexandria Sage; Editing by Matthew Lewis)