Tesla Motors (TSLA 1.85%) has found success with an innovative car, the electric Model S luxury sedan, and with an innovative retail model -- selling directly to customers via factory stores and the Internet.

Established car dealers don't like that idea, though, and they have an awful lot of political clout. In this video, Fool contributor John Rosevear looks at why this retail model is so important to Tesla -- and at the battles the company is waging to change laws and minds around the country.